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£14.99
These Axle Studs thread into the Aluminum center axles of our BMX High Flange (Original) hubs, as well as our Classic Mountain Bike hubs. They are machined in our shop in the USA of 4140 Chrome Moly & heat-treated for strength. Sold in pairs Hub not included 3/8 front can also be used for high flange BMX Front or rear hub 3/8 rear (MTB) has a stud with a smaller "locknut" for the drive side to clear the cassette lockring. ...
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£18.99
Profile Spanish Bottom Bracket Convert your Profile Racing 3-piece American Bottom Bracket or Profile Racing Euro Bottom Bracket crankset to a Mid or Spanish bottom bracket style (using your current arms & spindle). Conversion kit comes with R-12 (Mid) OR Spanish bearings Cone bearing covers Tube spacer (2) Spacer washers. ...
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£49.99
Profile Cr Mo MTB Single Speed Driver Profile Racing's Cassette Drivers are what makes their cassette hubs so great. The 4 pawl design ensures that at least 2 pawls are engaged at all times This means that when you apply power to the pedals, it is instantly transformed into power at the rear wheel, unlike lesser hubs that take a quarter to a half a crank's worth of rotation to engage. Compatible with Profile Mini Hubs, Totem Hubs, High Flange hubs, Madera V2 Cassette Hubs, & Classic MTB Single Speed Hubs. For 3/32" chain It is important to also replace your chain whenever you install a new driver. A worn, stretched chain will cause your driver to wear out much faster. Pawls & springs not included (sold separately) Buy Profile Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store. ...
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£1079.99
Profile Design 1 / Fifty Full Carbon Clincher Wheelset. Designed for the ultimate downhill ride, the 1/ Fifty Full Carbon Clincher Wheelset is reliable in all weathers & offers fantastic handling. Their deep profile full carbon rim will help you stand up against crosswinds & maintains full stiffness. The 1/ Fifty also features high Tg resin technology to prepare the wheels for higher braking temperatures across its full riding lifetime

Features:
Weight: 1700g Rim

Material:
UD carbon with high Tg point resin Rim

Width:
17mm (internal) 24mm (external) Rim

Height:
50mm Hubs: Twenty Four 6061-T6 aluminium Freehub: 7001-T6 aluminium Shimano/SRAM: 9/10sp, 11sp w/included spacer Spokes: stainless steel, straight pull, bladed Spoke Count & Lacing: 20 & radial (front) 24 & radial (rear) Weight Limit: 100kg Max Tyre Pressure: 125psi Buy Profile Design Wheels from Chain Reaction Cycles, the World’s Largest Online Bike Store.







...
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£1009.99
Profile Design 38 Twenty Four Full Clincher Disc Wheels. Want an enhanced & faster ride? Look no further than the 38 Twenty Four Full Carbon Clincher Disc Wheelset from Profile Design. Its rim profile is light & super responsive, along with an extraordinary level of durability, strength & stiffness on your bike. The wheelset also features a high Tg point resin that withstands more heat throughout your ride

Features:
Weight: 1615g Rim

Material:
UD carbon with high Tg point resin Rim

Width:
17mm (internal) 24 5mm (external) Rim

Height:
38mm Hubs: Twenty Four 6061-T6 aluminium Freehub: 7001-T6 aluminium Shimano/SRAM: 9/10sp, 11sp w/included spacer Spokes: stainless steel, straight pull, bladed Spoke Count & Lacing: 20 & radial (front) 24 & radial/2 cross (rear) Weight Limit: 100kg Max Tyre Pressure: 125psi Buy Onza Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.







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£80.99
Profile Design ADL Aerobar Profile Design’s ADL Aerobar are the ideal choice for Time Trail & Triathlon enthusiasts & professionals as not only do they offer a wide range of adjustment, they’re draft legal, so ITU approved. The ADL’s feature a proprietary integrated bracket, which enables the rider to run a minimalist no armrest setup or with armrests, in 3 various positions. Adjustable Aerobar Thanks to the wide adjustment range that

Includes::
armrest stack height, positions & width, the perfect road geometry can be obtained for optimum power output & rider comfort. Also, the 40mm S-bend type extensions improve the bar’s ergonomics.
Features: Multi-fit System accepts 26.0mm & 31.8mm oversize handlebars Aluminium aero extensions are fixed for lightweight simplicity ITU approved for Olympic distance triathlons which require draft-legal Aerobars 3-position, F35i injected armrests for comfort Armrest Stack: 37-97mm Aerobridge

Width:
165-320mm Extension Adjustment: 245mm fixed Bracket: ZB Bracket Weight: 420g (w/bridge) Buy  Profile Design Components from Chain Reaction Cycles, the World's Largest Online Bike Store.




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Available
£10.49
Profile Design Aero Drink Bottle Bracket Profile creates cycling components designed for speed. For nearly three decades, Profile Design has been pushing the limits & making the bold moves to increase cycling performance on the sport’s most captivating stages
Features: Attaches to bars with Velcro® straps (included) Secure Velcro bottle mounting Adjusts to 140mm wide Weight: 31 grams Buy Profile Accessories from Chain Reaction Cycles, the Worlds Largest Online Bike Store.
...
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£19.99
Profile Design Aero Drink System Profile creates cycling components designed for speed. For nearly three decades, Profile Design has been pushing the limits & making the bold moves to increase cycling performance on the sport’s most captivating stages

Features:
Easy re-fill no splash cap Compatible with narrow mounting aerobars or wider systems with the Profile Aerodrink Bracket Parts kit (sold separately) 32oz. capacity Weight: 171 grams Buy Profile Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.

...
Available
£22.49
Profile Design Aerodrink BTA Bracket Constructed from an injected nylon/glass fibre, this easy to install bracket features bolt-on adjustable wings which adapt to various width extensions while always maintaining a secure fit. Installation & removal are hassle free due to the durable silicone restraining strap & it's designed to work with any Profile Design system BTA bottles.

Features:


Material:
Injected nylon/glass fiber construction Compatibility: FC25, FC35, Aero HC, Standard Bottle Cage, Aerodrink, Aqualite Extension Width Requirement: 65mm
- 140mm (Centre to Centre) Weight: 130g Buy Profile Design Accessories from Chain Reaction Cycles, the World's Largest Online Bike Store.




...
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£24.99
Profile Design Aqua Cell Drink System Dual chamber aerobar mounted drink system. Main chamber holds 27 oz while secondary chamber holds 17 oz. Compatible with narrow mounting aerobars or wider systems with our Aerodrink Bracket. Weight: 310 grams Buy Profile Design Aqua Cell Drink System from Chain Reaction Cycles, the world's largest online bicycle store. ...
Available

Profile Design 38-58 Twenty Four Full Clincher Wheelset 2019

Profile Design 38/58 Twenty Four Full Clincher Wheelset. The combination of a 38 Twenty Four front wheel and a 58 Twenty Four rear in this Full Carbon Clincher Wheelset from Profile Design come together beautifully for the ultimate aero ride and responsiveness. TT and road riders will get the most out of this wheelset as the high Tg point resin is 30% higher than others on the market for improved braking across their ride lifetime. Twenty Four Series hubs are made from aluminium for better durability and stiffness Features: Weight: 1565gRim Material: UD carbon with high Tg point resinRim Width: 17mm (internal) 24 5mm (external)Rim Height: 38mm (front) 58mm (rear)Hubs: TwentyFour 6061-T6 aluminiumFreehub: 7001-T6 aluminium Shimano/SRAM: 9/10sp, 11sp w/included spacerSpokes: stainless
steel, straight pull, bladedSpoke Count & Lacing: 20 & radial (front) 24 & radial/2 cross (rear)Weight Limit: 100KgMax Tyre Pressure: 125psiBuy Profile Design Wheels from Chain Reaction Cycles, the World’s Largest Online Bike Store.
Availability: In Stock
£1249.99

Product Description

Profile Design 38/58 Twenty Four Full Clincher Wheelset. The combination of a 38 Twenty Four front wheel & a 58 Twenty Four rear in this Full Carbon Clincher Wheelset from Profile Design come together beautifully for the ultimate aero ride & responsiveness. TT & road riders will get the most out of this wheelset as the high Tg point resin is 30% higher than others on the market for enhanced braking across their ride lifetime. Twenty Four Series hubs are made from aluminium for better durability & stiffness

Features:
Weight: 1565g Rim

Material:
UD carbon with high Tg point resin Rim

Width:
17mm (internal) 24 5mm (external) Rim

Height:
38mm (front) 58mm (rear) Hubs: Twenty Four 6061-T6 aluminium Freehub: 7001-T6 aluminium Shimano/SRAM: 9/10sp, 11sp w/included spacer Spokes: stainless steel, straight pull, bladed Spoke Count & Lacing: 20 & radial (front) 24 & radial/2 cross (rear) Weight Limit: 100kg Max Tyre Pressure: 125psi Buy Profile Design Wheels from Chain Reaction Cycles, the World’s Largest Online Bike Store.

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Jargon Buster

Aluminium - Corrosion resistant lightweight metal
Stainless steel - A stain and corrosion resistant steel blend
Shimano - A high end bike part manufacturer
Steel - An alloy made predominately of Iron combined with <2% carbon
Carbon - A common element, in its simplest form is coal. The element can take different form from hard diamonds through graphite to soft carbon
World - A physical grouping, commonly used to describe earth and everything associated with ti
weight - A measure of the force applied on an object by gravity. Measured metric in grams and kilos or imperial in lbs and oz
Weight - a measurement of how heavy an object appears due to the pull of gravity. For example the weight of an object on planet earth will be different to the weight of the object on the moon
Road - a manmade lane or a path that is used to speed up travel.
Width - The measurement of something from one side to the other.
Design - A drawing or styles that shows the look and functionality of something before its made.
Combination - The process of two of more things being mixed or combined together.

Supplier Information

Chain Reaction Cycles
Chain Reaction Cycles offers a great collection of cycling gear right from everyday bikes and special makes intended for use on rough terrain or races, to knee guards, shoes and cycling outfits, including an exhaustive list of components and spare parts, brakes, drive trains, frames and forks, wheels and tyres, and protective gear. The buyer would just be spoilt for choice under most scenarios. This is the most appropriate location for cycling enthusiasts of all types; casual, health-conscious, adventurous or even the professional racers. The site stocks gear from reputed brands and guarantees a 5 per cent price drop in the price everyday as long as the stocks last. Online shopping facility is available at the site, with free delivery and money-back options. CRC also offers periodic clearance sale offers with good enough discount margins. Those training or participating in Triathlon events will find CRC particularly helpful as the site offers choicest and unique accessories appropriate for each stage of the event, swimming, running and cycling, with nutritional and training supplements also being part of the product line.
Page Updated: 2021-06-06 11:05:47

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