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Miche Graff SP Tubeless-Ready Gravel Wheelset Wheel Sets
  • £289.99
  • RRP £386.99
  • Saving you £25

Whether you're into gravel adventure riding or want a great introduction into the world of cyclocross (CX) racing, this versatile wheelset is engineered for reliable rotative performance. It features a high-quality alloy rim build, which allows it to handle all of the intensity that's associated with clocking up the miles on countryside backroads and exploring new gravel routes. Developed for adventure, Miche has also equipped this model with a 23mm outer rim width and a 19mm inner rim width for the most optimal load balance, wherever your next ride takes you. Another highlight is its asymmetrical 19C width and 22mm rim height, which gives it smooth and dependable rolling performance on rough terrains. Tubeless Ready Gravel Wheelset Designed for the rigours of modern gravel riding and cyclocross racing, this wheelset comes kitted out with tubeless ready rim technology. This means you'll enjoy tubeless advantages such as the ability to run lower tyre pressures for increased stability on rough terrains, lower rolling resistance and fewer risks of flats or punctures. Miche has also equipped it with lighter flanges and a 16+8 spoke pattern for perfect rotation. The hub can be adjusted cleanly and easily, and even while it's still mounted on the bike, by turning a special bolt mounted on the hub. Coming complete with Shimano's Centre Lock disc brake compatibility, the Miche Graff SP Tubeless-Ready Gravel Wheelset is a great choice of upgrade for powerful and consistent braking performance on your gravel adventures.  Additional Item Top Features: Hubs Front And Rear Body: AL 6061 T6 Axle: AL 7075 T6 Aluminium Bearings: Miche Sealed Cartridge Adjustment System: Smoothness Adjustment Ring Disc System: Shimano Centre-Lock (Lockring not included) / Optional ISO 6 Hole with adaptors Freewheel body: AL 7075 T6 O.L.D: 100mm / 135 - 142mm QR Type: TX12/TX12 (QR optional) Freehub: Multiple options available to select from the menu Spokes Material: Aisi 302 Stainless Steel (Sapim) Shape: J-Bend, Flat, Double Butted Nipples: AL 7075 T6 (Sapim) Spoke Count: 24 (16+8 spoke pattern)   Manufacturer's Part Numbers: MCW932A Black 700c Shimano MCW932C Black 700c Campagnolo Campag x13  MCW932B Black 700c SRAM XD SRAM XDR

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Mavic Crossmax MTB Wheelset Wheel Sets
  • £289.99
  • RRP £339.99
  • Saving you £15

This XC-focused wheelset comes equipped with a welded rim construction that delivers a light and strong profile that's also perfectly sealed. Ready for racing, its tough Maxtal aluminium build makes it highly durable when charging across demanding terrain conditions, while its 24 double-butted spokes provide dynamic and agile rotative performance. Mavic has also kitted out this model with tubeless ready technology, making it easy to ride tubeless and benefit from increased comfort and control. Tubeless Ready XC Wheelset with Hookless Profile The name Crossmax has a long history in the world of XC riding and racing and this updated wheelset lives up to its name with many of the same features and technologies as pro-level XC race wheels, but at a far more attainable price. One of the key factors is Mavic's UST technology, which allows for easy setup of tubeless-ready tyres and gives you all the associated benefits including better traction and control, a smoother ride quality, and a reduced risk of punctures. The rim is welded for added reliability and features a 25mm internal width with a hookless profile. Infinity Hub and 6-Bolt Disc Brake Compatibility The Infinity lighter hub design optimises lateral stiffness and spokes tension. Mavic's Instant Drive 360 freewheel with a double ratchet system provides fast engagement and top-level reliability. The Crossmax also comes kitted out with 6-bolt disc brake compatibility, so you can enjoy powerful and consistent braking performance when charging across the XC course. This wheelset is available in either standard or Boost axle spacing. Please choose the option from the menu to match your setup. The wheelset is delivered with valves, replacement spokes and accessories. Additional Item Top Features: Rims Drilling: Traditional Valve Hole Diameter: 6.5mm Internal Width: 25mm ETRTO Size 27.5" Option: 584x25TSS; 29" Option: 622x25TSS Use with Mavic Tubeless Tape Asymmetrical rim design UST Tubeless Ready SUP Hookless profile Spokes Material: Steel Shape: Straight pull, flat, double-butted Nipples: Steel, ABS Count: 24 front and rear Lacing: Front and rear crossed 2 Hubs Infinity Hub Instant Drive 360 QRM Auto Freehub Compatibility: Multiple options available to select Intended Use ASTM CATEGORY 3: Cross Country For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 150kg, bike included Recommended Tyre Sizes: 50mm to 76mm (2.0" to 3.0") Delivered With UST valve and accessories Pre-installed tubeless rim tape 2 replacement spokes with each wheel   Technologies: Instant Drive 360 Freewheel Technology: The new Instant Drive 360 freewheel system is super light and fast to engage with only 9°. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile. UST Tubeless Technology: Traction and control Universal Standard for Tubeless. Ready to ride tubeless system. The UST concept improves traction, control and comfort whilst reducing inertia and flats. SUP Welding Technology: Stronger and smoother joint Soudé Usiné Process. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish. QRM Auto Bearing Preload Technology: Qualité de Roulements Mavic Auto Our latest innovation. Those cartridge bearings are of course double sealed with C3 internal clearance. Their preload is automatically adjusted to guarantee a perfect spin with no play on the long run.   Manufacturer's Part Numbers: P1669115 Black 27.5" Shimano P1665110 Black 27.5" Boost Shimano P1666110 Black 27.5" Boost SRAM XD P1638110 Black 29" Boost Shimano

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Mavic Ksyrium 30 Disc Wheelset Wheel Sets
  • £289.99
  • RRP £349.99
  • Saving you £17

Boasting a strong Maxtal aluminium rim construction, this road wheelset offers a fantastic combination of strength and durability as you clock up the miles on your road bike. Its robust build ensures that it's more than capable of handling the demands associated with long days on the road, while its ride-enhancing technologies provide smooth and consistent rotative performance. The Ksyrium 30 Disc is a perfect entry point into high-level race performance. UST Tubeless Ready Technology This updated UST Road Tubeless system delivers a smoother ride and improved puncture resistance while retaining a lightweight feel for climbing and accelerating. By removing the tube, Mavic also removed friction, so there’s less rolling resistance, which means it requires less energy to reach higher speeds. 30mm Deep Rim Profile The 30mm deep rim optimises aero performance and improves stability in crosswinds. The alloy rim benefits from Mavic's unrivalled experience in creating light yet strong rim extrusions. The brand did this by carefully tuning the thickness of the rim wall to hit the sweet spot between stiffness, strength and weight. Bladed Straight Pull Spokes The bladed straight pull spokes are laced to Mavic's high-end Infinity hub platforms. Optimal spoke tension balance is a guarantee for perfect stiffness and great durability, with only one spokes length for both wheels to worry about. Instant Drive 360 Ratchet Freewheel System The Instant Drive 360 ratchet freewheel system is quick to engage and offers low friction. This hub easily converts from Shimano/SRAM to Campagnolo or XD cassette and is compatible with Centre Lock disc rotors. Please note: There are multiple freehub options available for this model. Please select the option that matches your setup from the menu.   Additional Item Top Features: Rims Drilling: Traditional Disc brake specific profile Tyre: UST Tubeless and Tubetype Internal Width: 19mm ETRTO Size: 622x19TC UST tubeless technology SUP welding technology Spokes Material: Steel Shape: Straight pull, flat, double butted Nipples: Steel, ABS Count: 24 front and rear Lacing: Front and rear crossed 2, contactless Hubs Front and Rear Bodies: Aluminium Axle Material: Aluminium Front: Quick release and 12x100 thru-axle compatible Rear: Quick Release, 12x142 and 12x135 compatible Infinity hubs Instant Drive 360 freewheel technology QRM Auto bearing preload technology Freehub Compatibility: Multiple options available to select from the menu Intended Use ASTM CATEGORY 2: Road and offroad with jumps less than 15cm For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels doesn't exceed 120kg, bike included Recommended Tyre Sizes: 25 to 32mm Max. Pressure: See indication on wheel and tyre. If they differ, use the lowest of the 2 Delivered With Front QR adaptors Rear QR adaptors for Instant Drive 360 UST valve and accessories Pre-installed tubeless rim tape User guide   Technologies: Maxtal Aluminium Alloy: Light and strong Exclusive to Mavic, this specific aluminium alloy offers a higher strength to weight ratio than conventional 6106 alloy. UST Tubeless Technology: Traction and control Universal Standard for Tubeless. Ready to ride tubeless system. The UST concept improves traction, control and comfort whilst reducing inertia and flats. Instant Drive 360 Freewheel Technology: The Instant Drive 360 freewheel system is super light and efficient. A large contactless rubber seal provides low friction, while a wide array of end caps makes it super versatile. QRM Auto Bearing Preload Technology: Qualité de Roulements Mavic Auto is Mavic's latest innovation. Those cartridge bearings are of course double sealed with C3 internal clearance. Their preload is automatically adjusted to guarantee a perfect spin with no play on the long run. SUP Welding Technology: Stronger and smoother joint Soudé Usiné Process. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish.   Manufacturer's Part Numbers: P1563155 Black 700c Shimano P1564160 Black 700c SRAM XD XDR

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FSA SL-K 392Evo Double Chainset Cranksets
  • £290.49
  • RRP £499.99
  • Saving you £42

This stunning model features a hollow carbon crank arm construction which offers the ultimate strength to weight ratio for weaving from trail to trail. FSA has also completed this version with a UD carbon finish which adds another layer of protection and stiffness, making it ready to conquer everything a long day in the mountains has to offer.

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Stages Cycling Shimano 105 R7000 Power Meter Power Meter Cranksets
  • £292.50
  • RRP £324.99
  • Saving you £10

The perfect companion for indoor and outdoor training, this innovative meter comes housed in a Shimano 105 R7000 crank arm and gives precision readings to within +/-1.5% in all conditions thanks to its IPX7 waterproof rating and Active Temperature Compensation Technology. Suitable for use with all Shimano Hollowtech II road drivetrains, the Stages Shimano 105 Power Meter uses ANT+ and Bluetooth connectivity to send your riding data right to your compatible device, letting you adapt your pedalling accordingly for the best possible performance.  With over 200 hours of use from the included cell battery, easy installation and Tour de France-proven prowess, this is the ultimate power meter for the performance-focused rider.

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Race Face Next R E-Bike Crank Arms Cranksets
  • £292.99
  • RRP £369.00
  • Saving you £21

Their carbon construction means you won't have to worry about adding any unnecessary weight to your ride, as they weigh in at only 366g. Thanks to their increased clearance, optimised Q-Factor and redesigned spline interface, you'll benefit from maximum strength when riding the trails. These are a perfect choice of upgrade for excellent durability and powerful pedalling performance wherever the off-road takes you.

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Shimano XTR M9100 12 Speed Chainset Chainsets
  • £299.98
  • RRP £479.99
  • Saving you £38

It features the iconic Shimano Hollowtech II construction process making it one of the most advanced cranksets on the market today. Furthermore, it Provides the highest drivetrain efficiency, stiffness and lightest weight and it achieves this exceptional combination in a sleek and stylish 2x direct mount transmission.

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Fulcrum Rapid Red 3 Disc Brake Wheelset Wheel Sets
  • £299.99
  • RRP £614.99
  • Saving you £51

Ready for exploring countryside backroads and unpaved paths, this gravel bike wheelset features a durable aluminium rim construction that's been put through a pre-ageing and R2-milling process for fantastic stiffness and strength. Built for adventure, this model is perfectly at home on mixed terrain and is constructed completely using a CNC-machined aluminium section that significantly lowers its weight without sacrificing durability. Its 24mm internal rim width is also ideal for modern drop bar bike frames that are designed around larger wheels. Gravel Bike Wheelset with 2-Way Fit Ready System The celebrated 2-Way Fit Ready system allows you to run the wheels tubeless or with the classic clincher and inner tube, ensuring the widest possible compatibility with most tyres available on the market. The choices don’t stop there, as they are available in 700c or 650b. With the various options possible, from wheel size to tyre type, you can either make this wheelset extremely fast on the road or unstoppable in the most demanding off-road situations. The Fulcrum Rapid Red 3 Disc Brake Wheelset is classified for ASTM 2 riding conditions. Additional Item Top Features: Tyre Type: 2-Way Fit Ready (for clincher and tubeless-ready) Tyre Width: From 30 to 46 mm (28") Profile Height: Low Spokes Material: Stainless Steel, double-butted Spokes Profile: Rounded, straight-pull Front Wheel Spokes: 24 Rear Wheel Spokes: 24 Nipples: Aluminium Front Hub: Aluminium, oversize flange Rear Hub: Aluminium, oversize flange Bearings: Adjustable Cup & Cones bearing system Axle Material: Aluminium axle ASTM Category: 2 Weight Limit: 120kg (comprising cyclist, bike, equipment and luggage) Freehub Type: Campagnolo Technologies: Fulcrum Identification Card (FIC) 100% Handmade Quality: Right from its inception Fulcrum has been marked by the feature that continues to this day: that is to design, prototype and industrialise all the wheels characterised by the red “F”. Indeed these take shape inside of the R&D, the leading-edge department that represents the beating heart of the Italian company. Every single component of the wheel, the materials are chosen and the technologies applied are the tangible result of the effort that Fulcrum makes every day to give you maximum performance and reliability. AFS Axle System: The Axial Fixing System is the solution developed by Fulcrum to fix the disc brake to the hub. The constraint granted by the butt area of the release mechanism, greater than in familiar standard ones, makes it possible to obtain greater structural rigidity and therefore more precise and powerful braking. Manufacturer's Part Numbers: FULC0145778 Black 700c Campagnolo  FULC0145780 Black 27.5" 650B Campagnolo

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Nukeproof Horizon V2 Wheel ARD and Sealant Bundle Wheel Sets
  • £299.99
  • RRP £464.99
  • Saving you £35

This pair of Nukeproof Horizon V2 wheels comes equipped with the brand's extensively trailed and tested alloy blend, which includes a rim construction that's specifically made to meet the demands of both enduro and downhill (DH) riders. Producing a hardness similar to 7-series alloy but with the ductility and yield properties of a 6-series, this wheelset gives you the best of both worlds in terms of strength, stiffness and weight. Both rims have the same profile, but the rear has a thicker sidewall for added strength on the trails. Another benefit is it comes equipped with J-bend spokes, which means that tensioning and spoke replacement is quick and easy. Enduro ABEC 5 Bearings After extensive testing with various brands of bearings, Nukeproof chose to use Enduro ABEC 5 bearings in this wheelset. These bearings have the “LLU/LLB” seal type, which uses two lips that make light contact in a groove to create a labyrinth where the water or dirt has a more difficult time penetrating. LLU seals are similar, only the contact pressure or interference fit is greater to seal better. Enduro bearings have 80% grease fill on both sides whereas most other bearings have 35% grease fill on one side. This delivers full coverage, so there are no dry areas as well as avoiding metal on metal contact or wear. This means that the axle feels tight out of the box and after a couple of rides it will become free. Nukeproof Horizon V2 Hub The Nukeproof Horizon V2 rear hub has 102 points of engagement and comes in a range of freehub options. Freehubs are also available separately and easily changeable if you choose to upgrade your drivetrain in the future. The 148mm HG / XD hub can be converted to 141mm using end caps. The hub has also been machined to remove excess material and make it as strong and light as possible. Nukeproof has fitted these hubs with its louder pawls and springs, this gives the wheel a nice buzz as you head down the trail. If you prefer the quiet life, you can get the quieter ones which are available separately. What's Included? Wheels come taped with a tubeless valve installed, so all you need to do is fit your tyre and add sealant. The tubeless valve supplied is the new Nukeproof Horizon valve which is compatible with Nukeproof ARD and other tyre inserts as well as the cap having a core remover built-in. A pair of ARD inserts are also supplied to give you maximum protection and there is a 500ml bottle of lifeline sealant in the box too, all you need to do is add your favourite tyres. By using closed cell foam technology, the A.R.D is a very lightweight tyre insert, yet it offers you lots of protection. It enables you to run your tyres at much lower pressures without risking flats, plus gives you a much-increased grip for thrashing around the trails. In fact, it's so good that Kelan Grant, a CRC-Mavic sponsored rider was able to complete a stage of the EWS on just his A.R.D as his tyre had split. Additional Item Top Features: Conversion Options: 148x12mm HG / XD can be converted to 141mm Boost with end caps (sold separately) Freehub Options: Shimano HG, Shimano Microspline and SRAM XD (choose freehub option from the menu) Rear Hub Engagement: 102 points of engagement (every 3.52°) Spoke Type: J-Bend Spoke Count: 32 Lacing Pattern: 3x Supplied with: Pair of wheels, valves, pre-taped, pair of ARD tyre inserts, 500ml bottle of Lifeline sealant   A full range of spares are available to service your hub in the future. 141mm rear conversion kit for HG / XD freehubs available separately. Caps                  Nukeproof Part Number          Replacement or Conversion Rear 141mm      NUKHORV2R141BCAPS     Convert Boost 148mm HG / XD hub to 141mm QR   Manufacturer's Part Numbers: NUKHOR2021BF29HG Black HG 29" NUKHOR2021BF29XD Black XD 29"  NUKHOR2021BF29MS Black MS 29"  NUKHOR2021BF275HG Black HG 27.5"  NUKHOR2021BF275XD Black XD 27.5" NUKHOR2021BF275MS Black MS 27.5"

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Prime Orra 700C Alloy Gravel Wheelset Wheel Sets
  • £299.99

Perfectly suited for gravel riding, training and adventures, this versatile wheelset comes equipped with a hard-wearing 6066 aluminium rim construction for exceptional strength and reliability on your travels. Its tough aluminium rims were developed with Team Spectra and designed and tested in house by Prime, so you can benefit from a confident and secure ride. Whether you're planning your next epic gravel adventure with your riding buddies or exploring new backroad routes on your own, this wheelset is ready for clocking up the miles. Tubeless Ready Gravel Bike Wheelset Built for the challenges of modern gravel adventure riding, this wheelset is kitted out with tubeless ready rim technology. This means that you can enjoy tubeless advantages such as the ability to run lower tyre pressures for increased stability on rough terrain conditions, lower rolling resistance and fewer chances of flats or punctures. With a 24mm internal rim width and a 28mm rim depth, the Orra 700C is ideal for gravel riding, training and adventures. Star Ratchet Hubs Providing gravel riders with superior reliability, this wheelset is equipped with Star Ratchet Hubs that offer greater dependability due to each of the ratchets engaging simultaneously every time. Another highlight is this model's incorporated notch, where the newly developed shape of the end caps simplifies disassembly significantly and therefore makes maintenance even easier. It also offers tool-free freehub conversion.  Whether you're exploring or planning your next weekend-long gravel adventure, the Prime Orra 700C Alloy Gravel Wheelset is a perfect choice of upgrade for dependable performance on every mile. Please note: This wheelset is only compatible with tubeless tyres.   In The Box: Tubeless Valves 10 speed spacer 15mm thru axle end caps QR end caps   Spares (available separately) 54 Tooth Star Ratchet Upgrade Kit Black One Size SR Hub Bushing Black 12mm Star Ratchet Grease Neutral <100ml SR2D 12mm Front End Caps Black 12mm SR2D 12mm Rear End Caps Black 12mm SR2D 15mm Front End Caps Black 15mm SR2D QR Front End Caps Black QR SR2D QR Rear End Caps Black QR SR2D Disc Brake Rear Hub Grey 12 x 142mm SR2D Front Axle Silver 12 x 135mm SR2D Rear Axle Silver 12 x 142mm SR Freehub Body - Campagnolo Black 9/10/11 Speed SR Freehub Body - Campagnolo 13 Speed Black 13 Speed SR Freehub Body - Shimano Black 9/10/11 Speed SR Freehub Body - XDR Black 12 Speed   Prime Crash Replacement Programme At Prime we understand that a crash or unexpected accident may occur under normal riding conditions. If in the event of a fall or accident where your Prime product sustains damage beyond repair, you can return the damaged component in exchange for a new product at 40% off the RRP. Please note that the Prime Crash Replacement Programme is only valid for the original purchaser within 2 years of purchase.

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Prime Orra 650B Alloy Gravel Wheelset Wheel Sets
  • £299.99

Whether you're spending the weekend exploring the countryside or planning your next epic gravel adventure, this wheelset is developed for smooth and dependable rolling performance. Benefitting from a high-quality 6066 aluminium rim construction, this model offers a fantastic balance of strength and durability for handling the demands associated with travelling across mixed terrain conditions on your gravel bike. Developed with Team Spectra, this wheelset uses a rim that's designed and tested in house, so that riders can enjoy a confident and secure ride that's backed up by extensive research and development. Tubeless Ready Gravel Wheelset Built for the challenges of modern gravel adventure riding, this wheelset is kitted out with tubeless ready rim technology. This means that you can enjoy tubeless advantages such as the ability to run lower tyre pressures for increased stability on rough terrain conditions, lower rolling resistance and fewer chances of flats or punctures. With a 26mm internal rim width and a 28mm rim depth, it is ideal for gravel riding and training as well as for riders who want to use wider tyres. Star Ratchet Hubs Providing gravel riders with superior reliability, this wheelset is equipped with Star Ratchet Hubs that offer greater dependability due to each of the ratchets engaging simultaneously every time. Another highlight is this model's incorporated notch, where the newly developed shape of the end caps simplifies disassembly significantly and therefore makes maintenance even easier. It also offers tool-free freehub conversion. This makes the Prime Orra 650B Alloy Gravel Wheelset a perfect choice of upgrade for a wide range of gravel riding disciplines. Please note: This wheelset is only compatible with tubeless tyres.   In The Box:  Tubeless Valves 10 speed spacer 15mm thru axle end caps QR end caps   Spares (available separately) 54 Tooth Star Ratchet Upgrade Kit Black One Size SR Hub Bushing Black 12mm Star Ratchet Grease Neutral <100ml SR2D 12mm Front End Caps Black 12mm SR2D 12mm Rear End Caps Black 12mm SR2D 15mm Front End Caps Black 15mm SR2D QR Front End Caps Black QR SR2D QR Rear End Caps Black QR SR2D Disc Brake Rear Hub Grey 12 x 142mm SR2D Front Axle Silver 12 x 135mm SR2D Rear Axle Silver 12 x 142mm SR Freehub Body - Campagnolo Black 9/10/11 Speed SR Freehub Body - Campagnolo 13 Speed Black 13 Speed SR Freehub Body - Shimano Black 9/10/11 Speed SR Freehub Body - XDR Black 12 Speed   Prime Crash Replacement Programme At Prime we understand that a crash or unexpected accident may occur under normal riding conditions. If in the event of a fall or accident where your Prime product sustains damage beyond repair, you can return the damaged component in exchange for a new product at 40% off the RRP. Please note that the Prime Crash Replacement Programme is only valid for the original purchaser within 2 years of purchase.

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Shimano Ultegra R8100 12 Speed Chainset Chainsets
  • £299.99

Shimano's Ultegra FC-R8100 crank maintains the same quick, precise front shifting and efficient power transfer that Shimano riders have grown accustomed to, but with even more crank arm length options. Spanning 160 to 175 mm in length, Ultegra cranks now cater to smaller riders, triathletes, and cyclists curious about shorter crank arms. An integral part of Shimano's new 12-Speed road lineup, the FC-R8100 crank builds upon Shimano's legendary front shifting and transmission efficiency. With new refinements for seamless 12-Speed shifting, the Ultegra crank is now offered in lengths from 160 to 175 mm, bringing performance and improved fit for smaller riders, triathletes, and riders with specific biomechanical requirements. Hollowglide Chainring Technology Hollow technology on the outer chainring. The Hollowglide construction ensures high rigidity while its hollow structure cuts down on weight yet maintains strength. This provides better power transfer and quicker and more precise front shifting performance. Hollowtech II Forged Crank Arms A lightweight crankset not only reduces the bike’s weight but decreases rotating mass to aid in acceleration. The challenge is to reduce the weight of the crank without reducing its strength and rigidity. Shimano's advanced forging technology has solved the problem through the HOLLOWTECH crank. Just like high-quality frame tubing, a hollow crank arm can provide amazing strength and rigidity at very lightweight. Optimised Balance of Stiffness, Strength and Weight The concept of Hollowtech II technology is focused on producing a superior crankset that will maximize a rider’s power transfer. The rigidity of the crankset ensures pedalling efficiency while its low weight, a key element of the crankset, aids in cycling longer distances over which the rider needs to pedal more. Naturally, Shimano strove for the optimum balance between the conflicting needs of stiffness while producing a lightweight crank. The addition of Hollowtech II technology integrates the bottom bracket axle with the right crankarm for more stiffness and weight savings to achieve a high-dimensional balance. Its outboard bottom bracket bearing system provides better weight distribution and more pedalling stability, allowing for more efficient power transfer.

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