Built for reliability on every mountain bike (MTB) ride, this trail-ready rim features a 28mm wide asymmetric rim shape and ultra-strong 6069 alloy 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 Rim The 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 Shape 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 tyre retention on both sides of the rim. Patented Bead Socket Technology Stan’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. Additional Item Top Features: 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 Technologies: - 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.
Shimano Ultegra Di2 R600 Climbing Shifter SwitchCompatible with a range of Shimano E-tube Di2 shifters, this simple to install right hand shifting switch enables you to quickly change your rear gears without changing your hand position on the bars. Ideal for race use, it requires minimal effort to operate so you can concentrate all your energy on the road ahead.Features: Compatibility: Modern 5-port E-tube type Shimano Di2 electronic drivetrains only To be plugged direct into E-tube drop bar STI shifters Shift switch is supplied with 260.5mm E-tube electrical cables installed Compatible with the Dura-Ace 9070 and Ultegra 6770 Di2 systems With Di2 technology shifting is easy and precise - just a light touch, as soft as a mouse click, is sufficient for the derailleur to instantaneously select the correct gear The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts Simply pressing tactile buttons allows effortless and comfortable shifting even when your hands are cold Climbing twin button satellite shift switch is used to operate the rear derailleur whilst your hands are on the top of the bars, one button up, one button down Weight: 30g (pair) Shifter Compatibility List:Ultegra Di2 R8050Ultegra Di2 ST-6870Dura-Ace Di2 ST-R9150Dura-Ace Di2 ST-9070Please Note: Not compatible with the older Dura-Ace 7970 Di2 systemA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Key Features:Alex Draw 1.9s tubeless ready rims, 23mm deep section, 19mm internal width & 24mm external width. This added width will offer reduced rolling resistance, increased comfort & better handling.,Chosen 28h hub – 6 bolt Disc version. 15mm thru axle type. 2 sealed cartridge bearings.,Q/R axle conversion kit available - Part No. SJCXQRFKIT,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spokes with brass nipples.,3 cross lacing pattern for increased durability.,Individual wheel weight 731g..
Key Features:Our new Tubeless ready DH wheels are designed to take anything you can throw at them, but at the same time, offer a low rotational weight.,Alex Volar 2.5 tubeless ready rim, 25mm internal & 30.2mm external widths - Creates a perfect tyre profile for tyre sizes of 2.35" or larger,Chosen DH hub – Front 110 x 20mm axle, 2 sealed bearings, 32h. asymmetric hub flanges create an even stronger wheel.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spoke with brass nipples.,Built in the UK by our skilled wheel technicians.,26” wheel 873g / 27.5” wheel 901g..
Key Features:Our new Tubeless ready Trail/Enduro wheels are designed to take anything you can throw at them, but at the same time, offer a low rotational weight.,26" & 27.5" versions use the Alex Volar 2.5 tubeless ready rim, 25mm internal & 30.2mm external widths - Creates a perfect tyre profile for tyre sizes of 2.35" or larger.,29" version uses the Alex Volar 2.3 tubeless ready rim, 23mm internal & 28.4mm external widths - Creates a perfect tyre profile for tyre sizes of 2.25" or larger.,Chosen Trail hub – Front 100 x 15mm axle, 2 sealed bearings, 32h.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spoke with brass nipples.,Q/R axle conversion kit available - Part No. SJTRQRFKIT,26” wheel 830g / 27.5” wheel 864g / 29" wheel 876g.
Key Features:Our new Tubeless ready DH wheels are designed to take anything you can throw at them, but at the same time, offer a low rotational weight.,Alex Volar 2.5 tubeless ready rim, 25mm internal & 30.2mm external widths - Creates a perfect tyre profile for tyre sizes of 2.35" or larger,Chosen DH hub – Front 110 x 20mm axle, 2 sealed bearings, 32h. asymmetric hub flanges create an even stronger wheel.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spoke with brass nipples.,Built in the UK by our skilled wheel technicians.,26” wheel 873g / 27.5” wheel 901g..
Key Features:Our new Tubeless ready Trail/Enduro wheels are designed to take anything you can throw at them, but at the same time, offer a low rotational weight.,26" & 27.5" versions use the Alex Volar 2.5 tubeless ready rim, 25mm internal & 30.2mm external widths - Creates a perfect tyre profile for tyre sizes of 2.35" or larger.,29" version uses the Alex Volar 2.3 tubeless ready rim, 23mm internal & 28.4mm external widths - Creates a perfect tyre profile for tyre sizes of 2.25" or larger.,Chosen Trail hub – Front 100 x 15mm axle, 2 sealed bearings, 32h.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spoke with brass nipples.,Q/R axle conversion kit available - Part No. SJTRQRFKIT,26” wheel 830g / 27.5” wheel 864g / 29" wheel 876g.
The Frame-Pack RC Toptube is the solution for everyone who likes to have access to their water bottles while also carrying gear inside the bike frame triangle. This waterproof frame bag with roll closure is also ideal for full suspension mountain bikes where space inside the frame’s triangle is limited by the shocks. Part of ORTLIEB’s bikepacking series this bag with roll closure meets the IP64 standard for waterproofness meaning your gear is fully protected from an involuntary bath. With its 4 liter volume the Frame-Pack RC Toptube enables heavy equipment such as tent poles tools or food to be carried within the frame triangle maintaining the bike’s low center of gravity. The customizable sturdy and strong Velcro fasteners enable simple and easy fastening and an uncomplicated installation. The frame pack RC Toptube is made in Germany and PVC-free. Together with the other products from the ORTLIEB bikepacking series the frame pack RC Toptube forms the ideal equipment for an overnighter a self-supported race or your next big adventure. FURTHER FEATURES: + Reflective Logo on both sides of the bag More Information COLOR black matt MATERIAL PS21R PS33 BAG TYPE single ADAPTER - INSTRUCTIONS Download DATASHEET Download 360° VIEW 360° View WEIGHT 200 g | 7 oz. HEIGHT 13 cm | 5 inch WIDTH 50 cm | 19 inch DEPTH 6 cm | 2 inch VOLUME 4 L | 244.1 cu inch LOAD 3 kg | 106 oz PROPERTIES mig ip64
Key Features:Alex CX28 tubeless ready rims, 28mm deep section, 17mm internal width & 21.8mm external width. This added width accepts 25c tyres to perfection, which together will offer reduced rolling resistance, increased comfort & better handling.,Chosen 28h hub – 6 bolt Disc version. Q/R axle type. 2 sealed cartridge bearings.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spokes with brass nipples.,3 cross lacing pattern for increased durability.,Individual wheel weight 785g..
Key Features:Alex CX28 tubeless ready rims, 28mm deep section, 17mm internal width & 21.8mm external width. This added width accepts 25c tyres to perfection, which together will offer reduced rolling resistance, increased comfort & better handling.,Chosen 28h hub – Non disc version. Q/R axle type. 2 sealed cartridge bearings.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spokes with brass nipples.,Radial lacing pattern.,Individual wheel weight 715g..
Key Features:Alex CX28 tubeless ready rims, 28mm deep section, 17mm internal width & 21.8mm external width. This added width accepts 25c tyres to perfection, which together will offer reduced rolling resistance, increased comfort & better handling.,Chosen 28h hub – Non disc version. Q/R axle type. 2 sealed cartridge bearings.,ACI Alpina double butted black racing spokes. Strong yet light, stainless steel spokes with brass nipples.,3 cross lacing pattern for increased durability.,Individual wheel weight 715g..
RX570 gravel tuned 11/10-speed tubeless wheelset offering all the technology of Shimano wheels at an economical price 22 mm high profile aluminium rim for improved aero dynamics 21.6 mm internal rim width Easy to use Center Lock rotor mount for use with disc brakes 24 stainless steel butted and bladed straight pull spokes with a 2-cross lacing pattern improve lateral and torsional (power transmission) rigidity Elbow-less spokes with alloy nipples make for a strong yet compliant wheel The hub uses angular contact bearings designed to cradle the balls giving both radial and lateral support for superior strength and durability in real world riding conditions. They also offer precision bearing adjustment and easy maintenance Labyrinth and contact sealing - low-friction seals effectively shut out water, mud and dirt without affecting rotational smoothness 650B Recommended tyre width 38-53 mm (650B)