Upgrading to a set of quality tubeless wheels is the number one way to improve the ride of your XC or Gravel bike. Tubeless offers more comfort and control with less rolling resistance, and when it comes to tubeless, nothing beats the easy inflation and performance of Stan s patented Bead Socket Technology. First introduced over 15 years ago, the original Crest rim design with BST helped launch the tubeless revolution. Today s Crest S2 wheels offer quick and easy inflation, the legendary airtight seal, and a 25mm width that offers incredible stability for 40mm to 2.3 Gravel and XC tyres.25mm rim width optimised for Gravel and XC tyres up to 2.3 Patented BST low-profile rim shape for easy tubeless inflation and the most reliable seal6061 aluminium with sleeved joint and stainless steel rim eyeletsMatched wheelsets use traditional J-bend lacing and share a single spoke length for easy serviceabilityE-sync hubs offer fast 8.18° engagement with reinforced pawlsEnduro bearings with double-row freehub bearing and cromoly axle offer 47% increase in max torque capacity over Neo hubsConnection program includes 3-year E-sync hub warranty, 3-year S2 rim warranty, 1-year crash replacement, and $10 donation to trail maintenance or advocacy group of your choiceConstructed of 6061 aluminium with a reinforced spoke bed and eyeletted spoke holes for strength, the Crest S2 rim is built to last. The wheelset also features fast-engaging E-sync hubs built to handle the added weight and forces of eBikes and more aggressive riders. Thanks to cromoly axles, heat treated steel ratchet rings, double row Enduro bearings, and a pawl design that reduces stress on bearings, E-sync hubs are made to roll smoother longer. The E-sync s four pawls also provide quick 8.18° of engagement. S2 wheelsets with E-sync hubs are perfect for anyone looking for low maintenance and high performance. Like all Stan s wheels, the Crest S2 carries on a tradition of serviceability by using traditional J-bend spokes that are readily available. To make life even easier, matched Crest S2 wheelsets all use a single spoke length, and their endcaps are readily available and compatible with previous Neo hubs.The Crest S2 is an ideal replacement or upgrade for Gravel and XC bikes. Available with Shimano Micro Spline, HG, or SRAM XDR freehub, and 6-bolt or Centerlock brake style, with options to fit all popular axle configurations. Tubeless ready with rim tape installed. Whether rolling through your local trails, entering your first XC race, or setting out on a bike packing gravel adventure, the Crest S2 wheelset can improve your ride. What s included: Tubeless tape installed, requires additional valve stems. Full specification available in the specification tab.
Upgrading to a set of quality tubeless wheels is the number one way to improve the ride of your XC or Gravel bike. Tubeless offers more comfort and control with less rolling resistance, and when it comes to tubeless, nothing beats the easy inflation and performance of Stan s patented Bead Socket Technology. First introduced over 15 years ago, the original Crest rim design with BST helped launch the tubeless revolution. Today s Crest S2 wheels offer quick and easy inflation, the legendary airtight seal, and a 25mm width that offers incredible stability for 40mm to 2.3 Gravel and XC tyres.25mm rim width optimised for Gravel and XC tyres up to 2.3 Patented BST low-profile rim shape for easy tubeless inflation and the most reliable seal6061 aluminium with sleeved joint and stainless steel rim eyeletsMatched wheelsets use traditional J-bend lacing and share a single spoke length for easy serviceabilityE-sync hubs offer fast 8.18° engagement with reinforced pawlsEnduro bearings with double-row freehub bearing and cromoly axle offer 47% increase in max torque capacity over Neo hubsConnection program includes 3-year E-sync hub warranty, 3-year S2 rim warranty, 1-year crash replacement, and $10 donation to trail maintenance or advocacy group of your choiceConstructed of 6061 aluminium with a reinforced spoke bed and eyeletted spoke holes for strength, the Crest S2 rim is built to last. The wheelset also features fast-engaging E-sync hubs built to handle the added weight and forces of eBikes and more aggressive riders. Thanks to cromoly axles, heat treated steel ratchet rings, double row Enduro bearings, and a pawl design that reduces stress on bearings, E-sync hubs are made to roll smoother longer. The E-sync s four pawls also provide quick 8.18° of engagement. S2 wheelsets with E-sync hubs are perfect for anyone looking for low maintenance and high performance. Like all Stan s wheels, the Crest S2 carries on a tradition of serviceability by using traditional J-bend spokes that are readily available. To make life even easier, matched Crest S2 wheelsets all use a single spoke length, and their endcaps are readily available and compatible with previous Neo hubs.The Crest S2 is an ideal replacement or upgrade for Gravel and XC bikes. Available with Shimano Micro Spline, HG, or SRAM XDR freehub, and 6-bolt or Centerlock brake style, with options to fit all popular axle configurations. Tubeless ready with rim tape installed. Whether rolling through your local trails, entering your first XC race, or setting out on a bike packing gravel adventure, the Crest S2 wheelset can improve your ride. What s included: Tubeless tape installed, requires additional valve stems. Full specification available in the specification tab.
Stans No Tubes Arch S1 Mountain Bike WheelsetThis versatile wheelset features a durable construction that has been designed to help you tackle the toughest of trails, it's also lightweight enough for cross-country races. The Arch S1 wheels provide you with enhanced grip and control when running 2.25’’ to 2.50’’ tyres.Tough ConstructionMade for maximum durability, they feature a 32-spoke count with easily replaceable standard spokes, 6061 alloy rims, and stainless steel rim eyelets. The Arch S1 wheelset also features Stan’s faster-engaging, CNC-machined Neo hubs. Wherever you ride the Arch S1 will be ready to handle it all.Features: Durable and lightweight aluminium construction Wider rim width for more stability with larger tyres 2mm wider and 16g lighter than Rapid 28 Rim profile optimised for 2.25”-2.50” tyres Rim Material: 6061 Alloy Rim Internal Width: 26.0mm Rim External Width: 29.7mm Rim Depth: 17.3mm ERD: 566mm (27.5") / 604mm (29") Spokes: Sapim 2.0/1.8/2.0mm ETRTO: 584x26 (27.5")/622x26 (29") Nipples: Secure Lock brass silver nipples ISO: 27.5"x29.7mm/29"x29.7mm Hub: Stan’s Neo Tape: 27mm Hole Count: 32H, 32H Valve: 35mm Presta compatible (valves sold separately) Max Spoke Tension: 125kgf (1225N) Max Rider Weight: 105kg (230lbs) Max Pressure with 2.20" Tyre: 39psi Max Pressure with 2.50" Tyre: 36psi Brakes: Disc Use: Trail and enduro Weight: 1,882g (27.5”)/1,974g (29”)Technologies: WideRight: Rims that are too narrow fail to offer sufficient sidewall support and protection to your tyres and create a less stable shape. The result is less control in the corners, less traction on climbs, and more rolling resistance. Rims that are too wide also distort the tyre profile, decreasing traction and control and driving impacts directly into the rim, negating the impact absorbing advantages of a tyre's volume. Stan's WideRight rim widths are designed to strike the perfect balance between tyre volume and sidewall function. BST (Bead Socket Technology): Bead Socket Technology rims are designed to match the shape of your tyre's bead to create a safer and more secure airtight interface. BST rims secure the bead of the tyre, not the sidewall, creating an airtight seal while allowing the tyre's sidewall to expand to its true, rounder, more effective profile. The result is more traction and less rolling resistance. With lower-profile, less vulnerable sidewalls, Stan's BST rims are also lighter and stronger by design and accelerate more quickly. Neo Hub: The Stan's Neo hub has a 100% precision CNC machined hub shell that is both incredibly light and strong. It features a 4 pawl, 36-point drive system for amazingly quick engagement. Oversized bearings ensure maximum durability and the swaged axle & wide bearing stance is 3 times stronger than conventional designs. There is a high durometer main seal integrated into the hub shell and the Sealock end caps lock into place bringing unmatched smoothness.Buy Stan's No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Bring a new level of control and security to your gravel and road rides with the Grail S1 wheelset. The same patented BST-R tubeless rim design found in our original Grail rim is now available at a more affordable price. Compatible with tubeless road tires, low-pressure tubeless converted tires, and conventional tires and tubes, the Grail S1 rim offers total versatility. The Grail S1 wheelset combines durable 6061 aluminium rim construction with our stronger, smoother rolling Neo hub with Durasync triple-bearing freehub. With the security of the best tubeless system in the business and a wider overall internal rim width for improved stability and control, the Grail S1 gives your road or gravel bike an edge on every ride.Key Features: For gravel, road, and cyclocross, Bead Socket Technology (BST-R) compatible with wider pressure range, Neo hubs roll smoother longer, Patented rim shape offers easier more tire stability and easier tubeless setup, Compatible with Shimano 9, 10, and 11-speed cassettes, Compatible with road tubeless-specific clinchers and conventional clinchers when used with tubes, 2 layers of 21mm yellow tape installed.
Stans No Tubes Flow MK4 RimFeaturing a robust 6069 aluminium build with a welded joint and a reinforced spoke bed, this mountain bike (MTB) rim is ready for all-day epics on your favourite trail routes. Stans No Tubes has also kitted it out with a low profile 30mm internal rim width that optimises tyre shape, traction and control for 2.3-2.6” tyres. This makes it more than capable of handling all the demands associated with long days on the trails and everywhere in between. In addition, its BST-Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build.30mm Wide Asymmetric MTB RimSince 2007, the Flow rim has been helping riders progress, push boundaries, and do more on their bikes. The original Flow was light, wide, tubeless, and strong. It redefined mountain bike rims and played a role in the evolution of riding. Today's Flow MK4 continues the progression with a 30mm wide asymmetric rim designed to build an even stronger overall wheel.Patented Bead Socket TechnologyDurability and an almost uncanny feeling of control on the trail have made Flow rims the preferred choice of multiple Red Bull Rampage riders, and today's Flow goes even further. The Flow MK4's reinforced spoke bed, combined with the offset drilling of the asymmetric design, builds into an incredibly durable wheel that brings added confidence to every ride. Unlike many asymmetric rims, the Flow MK4's BST-Asymmetric shape is designed to equalise resistance to dents and tyre bead retention on both sides of the rim under even the worst rock gardens and hardest cornering. Combined with Stan's patented Bead Socket Technology, the Flow MK4 rim offers the easiest tubeless setup and most reliable airtight performance on the trail.Ramp up your progression and make every ride even better with the confidence of the Stans No Tubes Flow MK4 Rim.Features: Material: 6069 Aluminium Alloy Use: Mountain Bike (MTB) Rim Width: Inner: 30.0mm; External: 33.6mm Rim Depth: 18.9mm ETRTO: 27.5" Option: 584x30.0; 29" Option: 622x30.0 ERD: 27.5" Option: 561mm, 3.0mm Offset mm; 29" Option: 600mm, 3.0mm Offset Hole Count: 32 hole Valve Type: Presta Brake Type: Disc only Single or Pair: Single Weight: 27.5" Option: 487g; 29" Option: 521gTechnologies: Low-profile 30mm internal width optimises tyre shape, traction, and control for 2.3-2.6” tyres. Durable 6069 aluminium with welded joint and reinforced spoke bed. BST-Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build. 3-year rim warranty with 1-year crash replacement.Buy Stans No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Stans No Tubes Arch MK4 RimFeaturing a 28mm wide asymmetric rim shape and an ultra-strong 6069 alloy construction, this mountain bike (MTB) rim is built for strength and reliability to handle the demands of modern MTB riding. Mountain bikes have changed in the decade since the original Arch rim helped introduce the world to tubeless technology. Today's Arch MK4 rim has evolved to match these more capable bikes. Through all the years of testing and refinement of this rim, one thing has never changed: versatility. Now more than ever, when you want a reliable rim that can handle every trail, the Arch MK4 is for you.6069 Aluminium Alloy RimThe Arch MK4 rim is light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing. Constructed of light and strong 6069 aluminium alloy, with a reinforced spoke bed and 28mm internal width ideal for 2.2-2.5″ tyres, the Arch MK4 can get you up the climbs easier and make the descent even better.Asymmetric ShapeThe Arch MK4's BST Asymmetric shape improves spoke angle, allowing for a stronger overall wheel build. Unlike most asymmetric rims that struggle with tubeless inflation and consistent airtight seal under hard cornering, the Arch MK4's shape is designed to equalize pressure for easy inflation and incredibly strong tyre retention on both sides of the rim.Patented Bead Socket TechnologyStan's patented Bead Socket Technology, combined with a stronger asymmetric design, light and durable 6069 alloy, and the perfect rim width for balancing control and weight, make the Arch MK4 your best choice for all-around riding. Powering up rocky switchback climbs or slapping berms on every descent, the Arch MK4 is ready for whatever you can throw at it.Features: Material: 6069 Aluminium with welded joint and reinforced spoke bed Use: Mountain Bike (MTB); Cross Country (XC) Rim Width: Internal: 28mm; External: 31.4mm; Depth: 18.9mm ETRTO: 26" Option: 559x28.0; 27.5" Option: 584x28.0; 29" Option: 622x28.0 ERD: 26" Option: 536mm, 2.5mm Offset mm; 27.5" Option: 561mm, 2.5mm Offset mm; 29" Option: 600mm, 2.5mm Offset Max Spoke Tension: 130kgf (1275N) Max Pressure with 2.20" Tyre: 41psi Max Pressure with 2.50" Tyre: 35psi Brake Compatibility: Disc brake only Valve Type: Presta Tape: 30mm Tubeless Ready: Yes Single or Pair: Single Weight: 26" Option: 431g; 27.5" Option: 451g; 29" Option: 481gTechnologies: Versatile 28mm internal rim width optimized for 2.2-2.5” tyres. Light and durable 6069 aluminium with welded joint and reinforced spoke bed. BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build. 3-year rim warranty with 1-year crash replacement.Buy Stans No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Since 2007, the Flow rim has been helping riders progress, push boundaries, and do more on their bikes. The original Flow was light, wide, tubeless, and strong as hell. It redefined mountain bike rims and played a role in the evolution of riding. Today's Flow MK4 continues the progression with a 30mm wide asymmetric rim designed to build an even stronger overall wheel. Durability and an almost uncanny feeling of control on the trail have made Flow rims the preferred choice of multiple Red Bull Rampage riders, and today’s Flow goes even further. The Flow MK4’s reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride. Unlike many asymmetric rims, the Flow MK4's BST-Asymmetric shape is designed to equalize resistance to dents and tire bead retention on both sides of the rim under even the worst rock gardens and hardest cornering. Combined with Stan's patented Bead Socket Technology, the Flow MK4 rim offers the easiest tubeless setup and most reliable airtight performance on the trail. Ramp up your progression and make every ride even better with the confidence of Flow MK4 asymmetric rims. Features: Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6” tires Durable 6069 aluminum with welded joint and reinforced spoke bed BST-Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build 3-year rim warranty with 1-year crash replacement
Stans No Tubes Flow MK4 MTB RimThis high-quality mountain bike (MTB) rim is engineered for fast and smooth-rolling performance, whether you're shredding your favourite local trails with your riding buddies or exploring new mountain routes on your own. It features a rock-solid 6069 aluminium alloy build, which makes it more than capable of handling all the hits associated with modern trail riding. Thanks to its tubeless ready technology, you can enjoy tubeless benefits such as the ability to run lower pressure tyres for increased stability, comfort and fewer risks of flats or punctures. One final highlight is this model is disc brake compatible, which means you'll benefit from power and consistent braking performance as you carve your way around the mountain.30mm Wide Asymmetric RimSince 2007, the Flow rim has been helping riders progress, push boundaries, and do more on their bikes. The original Flow was light, wide, tubeless, and very strong. It redefined mountain bike rims and played a role in the evolution of riding. Today's Flow MK4 continues the progression with a 30mm wide asymmetric rim designed to build an even stronger overall wheel.Tubeless ReadyDurability and an almost uncanny feeling of control on the trail have made Flow rims the preferred choice of multiple Red Bull Rampage riders, and today's Flow goes even further. The Flow MK4's reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride. Unlike many asymmetric rims, the Flow MK4's BST Asymmetric shape is designed to equalise resistance to dents and tyre bead retention on both sides of the rim under even the worst rock gardens and hardest cornering. Combined with Stan's patented Bead Socket Technology, the Flow MK4 rim offers the easiest tubeless setup and most reliable airtight performance on the trail.Ramp up your progression and make every ride even better with the confidence of the Flow MK4 asymmetric rim.Features: Material: 6069 Aluminium Alloy Use: Mountain Bike (MTB) Rim Width: Inner: 30mm; Outer: 33.6mm; Depth: 18.9mm Hole Count: 32H Brake Compatibility: Disc only ERD: 27.5" Option: 561mm; 29" Option: 600mm Offset: 3.0mm Valve: Presta Single or Pair: Single Weight: 27.5": 487g; 29": 521gTechnologies: Low-profile 30mm internal width optimizes tyre shape, traction, and control for 2.3-2.6” tyres. Durable 6069 aluminum with welded joint and reinforced spoke bed. BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build.Manufacturer's Part Number: 850.RTF470002 Black/Grey 27.5" 32H 850.RTF490002 Black/Grey 29" 32HBuy Stans No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Stans No Tubes Crest MK4 XC RimFeaturing a rock-solid 6069 aluminium alloy build, this cross country (XC) rim is more than capable of handling all of the knocks and bumps associated with long days in the saddle. Thanks to its welded joint and reinforced spoke bed, it ensures excellent durability, low weight and reliability as you clock up the miles. Whether you're exploring countryside backroads with your riding buddies or planning your next solo gravel adventure, this high-quality rim is engineered for smooth and dependable rolling performance.Lightweight, Tubeless Ready XC RimCrest rims are part of the history of mountain biking. Introduced in 2005, the Crest's design evolved directly from Stan's earliest ideas, including the legendary 355 rims. Stan wanted a simple and durable rim that would work well without a tube and weighed less than everybody else's rims. The Crest achieved those goals. With a more durable and lighter 6069 alloy and an asymmetric rim shape that balances spoke tension, today's Crest MK4 has technology that's lightyears ahead of the early design, but the spirit of the original Crest lives on: make it light, make it serviceable, make it resist flats, and make it go as fast as possible.The BST Asymmetric rim design of the Crest MK4 allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. The Crest MK4 rim is optimised for 40mm gravel tyres and up to 2.3” mountain tyres, making it a great, versatile choice for a wide range of bikes and riding styles.Strong and Fast Rolling Asymmetric DesignThe durable but forgiving ride of the Crest MK4's 6069 alloy construction and lightweight, low-profile rim shape offer an unbeatable ride quality uniquely suited to gravel and short-travel cross country (XC) riding, and like all rims that bear the Crest name, it's built for speed.The Crest MK4 combines the heritage of Stan's legendary tubeless design with today's best materials and a stronger asymmetric design. Roll faster with more comfort and more security on your next gravel or cross country (XC) ride with the Crest MK4 rim.Features: Material: 6069 Aluminium Alloy Use: Cross Country (XC), Gravel Type: Clincher Internal Rim Width: 25mm External Rim Width: 28.4mm Rim Depth: 18mm ETRTO: 27.5" Option: 584x25.0; 29" Option: 622x25.0 ERD: 27.5" Option: 563mm, 1.5mm Offset; 29" Option: 601mm, 1.5mm Offset Hole Count: 32H Brake Compatibility: Disc only Valve Type: Presta Max Pressure: With 40c tyre: 55psi; with 2.00" tyre: 46psi; with 2.30" tyre: 39psi Tubeless Ready: Yes Weight: 27.5" Option: 374g; 29" Option: 399gTechnologies: 25mm rim width optimised for Gravel and XC tyres up to 2.3”. Light and durable 6069 aluminium with welded joint and reinforced spoke bed. BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build.Manufacturer's Part Numbers: 850.RTC470002 Black/ Grey 27.5" 32H 850.RTC490002 Black/ Grey 29" 32HBuy Stans No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
The Stans NoTubes Arch MK4 Rim is designed for hard charging trail bikes that need to climb as well as they descend. With a tough but lightweight 6069 aluminium construction and a 28mm internal width, the Arch MK4 is the perfect all rounder.Versatile 28mm internal rim width optimized for 2.2-2.5 tiresLight and durable 6069 aluminium with welded joint and reinforced spoke bedBST Asymmetric design combines Stan s legendary easy tubeless inflation with a stronger, more balanced wheel build3-year rim warranty with 1-year crash replacementThe Arch MK4 rim is light enough to take XC racing but was born from research and testing on the Enduro World Series circuit, making it a great rim for anyone looking to improve both descending and climbing. Constructed of light and strong 6069 aluminium alloy, with a reinforced spoke bed and 28mm internal width ideal for 2.2-2.5 tires, the Arch MK4 can get you up the climbs easier and make the descent even better.The Arch MK4 s BST Asymmetric shape improves spoke angle, allowing for a stronger overall wheel build. Unlike most asymmetric rims that struggle with tubeless inflation and consistent airtight seal under hard cornering, the Arch MK4 s shape is designed to equalize pressure for easy inflation and incredibly strong tire retention on both sides of the rim. All this makes the Arch MK4 simply the best choice for all-around riding. Powering up rocky switchback climbs or slapping berms on every descent, the Arch MK4 is ready for whatever you can throw at it.
Since 2007, the Flow rim has been helping riders progress, push boundaries, and do more on their bikes. The original Flow was light, wide, tubeless, and strong as hell. It redefined mountain bike rims and played a role in the evolution of riding. Today's Flow MK4 continues the progression with a 30mm wide asymmetric rim designed to build an even stronger overall wheel. Durability and an almost uncanny feeling of control on the trail have made Flow rims the preferred choice of multiple Red Bull Rampage riders, and today’s Flow goes even further. The Flow MK4’s reinforced spoke bed, combined with the offset drilling of the asym design, builds into an incredibly durable wheel that brings added confidence to every ride. Unlike many asymmetric rims, the Flow MK4's BST-Asymmetric shape is designed to equalize resistance to dents and tire bead retention on both sides of the rim under even the worst rock gardens and hardest cornering. Combined with Stan's patented Bead Socket Technology, the Flow MK4 rim offers the easiest tubeless setup and most reliable airtight performance on the trail. Ramp up your progression and make every ride even better with the confidence of Flow MK4 asymmetric rims. Features: Low-profile 30mm internal width optimizes tire shape, traction, and control for 2.3-2.6” tires Durable 6069 aluminum with welded joint and reinforced spoke bed BST-Asymmetric design combines Stan’s legendary easy tubeless inflation with a stronger, more balanced wheel build 3-year rim warranty with 1-year crash replacement
Stans No Tubes Crest MK4 RimBenefitting from a tough aluminium build with tubeless ready technology and disc brake compatibility, this versatile rim is ideal for both cross country (XC) racing and gravel adventure riding. Stans No Tubes has also kitted out this model with a 25mm inner rim width, an 18mm rim depth and a range of technologies to help you get the best out of every ride. Whether you're looking to upgrade your existing XC racing bike setup or complete your gravel bike build, this versatile rim is engineered for performance.Tough 6069 Aluminium Alloy RimCrest rims are part of the history of mountain biking. Introduced in 2005, the Crest's design evolved directly from Stan's earliest ideas, including the legendary 355 rims. Stan wanted a simple and durable rim that would work well without a tube and weighed less than everybody else's rims. The Crest achieved those goals. With a more durable and lighter 6069 alloy and an asymmetric rim shape that balances spoke tension, today's Crest MK4 has technology that's lightyears ahead of the early design, but the spirit of the original Crest lives on: make it light, make it serviceable, make it resist flats, and make it go as fast as possible.Gravel Adventure-ReadyThe BST Asymmetric rim design of the Crest MK4 allows for a stronger wheel while offering the easy inflation and Stan's trademark unmatched airtight seal. The Crest MK4 rim is optimised for 40mm Gravel tyres and up to 2.3” mountain tyres, making it a great, versatile choice for a wide range of bikes and riding styles.LightweightThe durable but forgiving ride of the Crest MK4's 6069 alloy construction and lightweight, low-profile rim shape offers an unbeatable ride quality uniquely suited to Gravel and short-travel XC riding, and like all rims that bear the Crest name, it's built for speed.Fast Rolling and ComfortableThe Crest MK4 combines the heritage of Stan's legendary tubeless design with today's best materials and a stronger asymmetric design. Roll faster with more comfort and more security on your next Gravel or XC ride with the Crest MK4 rim.Features: Material: 6069 Aluminium Alloy Use: Gravel, Cross Country (XC) Rim Width: Inner: 25mm; Outer: 28.4mm Rim Depth: 18mm Max Pressure With 40c Tyre: 55psi Max Pressure With 2.0" Tyre: 46psi Max Pressure With 2.30" Tyre: 39psi Offset: 24" Option: 486mm, 1.5mm Offset; 26" Option: 538mm, 1.5mm Offset; 27.5" Option: 563mm, 1.5mm Offset; 29" Option: 601mm, 1.5mm Offset ETRTO: 24" Option: 507x25.0; 26" Option: 559x25.0; 27.5" Option: 584x25.0; 29" Option: 622x25.0 Valve Type: Presta Brake Compatibility: Disc Brake Single or Pair: Single Weight: 24" Option: 323g; 26" Option: 357g; 27.5" Option: 374g; 29" Option: 399gTechnologies: 25mm rim width optimized for Gravel and XC tyres up to 2.3”. Light and durable 6069 aluminium with welded joint and reinforced spoke bed. BST Asymmetric design combines Stan's legendary easy tubeless inflation with a stronger, more balanced wheel build. 3-year rim warranty with 1-year crash replacement.Buy Stans No Tubes Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.