Prime Doyenne Lightweight StemThis stem features a rock-solid aluminium construction, which gives you a hard-wearing and reliable connection between your bike's steerer tube and handlebars. Suitable for road or cyclocross use, this stem has also been put through a forging process, however hard you ride. Prime has also equipped this version with a flip design, which gives you a 5 degree rise or drop depending on your personal riding preferences. Lightweight Road StemPrepared for any challenge, this lightweight stem weighs in at only 110g for the 100mm option, which means that you'll benefit from its incredible strength without adding any unnecessary weight to your bike. This makes it an ideal choice of upgrade for performance-driven riders, where every last gram counts towards your winning score. Features: Material: 6061 forged Aluminium Use: Road racing, Sportive riding and Cyclocross Bolts: SCM-435 Rise: +/- 5 degrees Clamp Diameter: 31.8mm Steerer Clamp: 28.6mm Stack Height: 40mm Weight: 110g (100mm option)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Primavera 1-1/8"-1.5" Integrated HeadsetDesigned to provide you with the ultimate in steering performance, this headset features Ti Coated Races and Grade 10 Stainless Steel balls. Often overlooked and neglected, the headset is an essential component of your bike. Upgrade your ride with the Primavera Carbon Headset.The titanium nitrite coated races in the Primavera 1-1/8"-1.5" Integrated Headset roll smoothly and won't rust, while the angular contact bearings provide stability and allow for adjustability.We wanted the headset to run smoothly and last for many miles in all conditions, so the bearings are sealed tight against the elements.The looks match the performance thanks to a Prime branded carbon top cap and cover. We didn't hold back on the crown race either - it is CNC'd from 7075 alloy, which provides an improved contact point for the headset.And, if you want to slam your stem like the pros, select our short option, which features a 2.4mm top cover.Features: Steerer Type: Tapered 1-1/8" to 1.5" Top Cap Material: Carbon Top Cover Material: Carbon Bearing Material: Titanium Race with Steel Bearing Use: Road Upper Bearing: IS41.8/28.6, 6.5mm H x 41.8mm OD x 45x45deg Lower Bearing: IS52/39.8, 7mm H x 51.8mm OD x 45x45deg Stack Height: 8.9mm (Medium option) / 2.9 mm (short option) (without Crown Race) Top Cover Height: 8.2mm (Medium option) / 2.4mm (short option) Weight: TBCBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Primavera 1-1/8"-1.5" Integrated HeadsetDesigned to provide you with the ultimate in steering performance, this headset features Ti Coated Races and Grade 10 Stainless Steel balls. Often overlooked and neglected, the headset is an essential component of your bike. Upgrade your ride with the Primavera Carbon Headset.The titanium nitrite coated races in the Primavera 1-1/8"-1.5" Integrated Headset roll smoothly and won't rust, while the angular contact bearings provide stability and allow for adjustability.We wanted the headset to run smoothly and last for many miles in all conditions, so the bearings are sealed tight against the elements.The looks match the performance thanks to a Prime branded carbon top cap and cover. We didn't hold back on the crown race either - it is CNC'd from 7075 alloy, which provides an improved contact point for the headset.And, if you want to slam your stem like the pros, select our short option, which features a 2.4mm top cover.Features: Steerer Type: Tapered 1-1/8" to 1.5" Top Cap Material: Carbon Top Cover Material: Carbon Bearing Material: Titanium Race with Steel Bearing Use: Road Upper Bearing: IS41.8/28.6, 6.5mm H x 41.8mm OD x 45x45deg Lower Bearing: IS52/39.8, 7mm H x 51.8mm OD x 45x45deg Stack Height: 8.9mm (Medium option) / 2.9 mm (short option) (without Crown Race) Top Cover Height: 8.2mm (Medium option) / 2.4mm (short option) Weight: TBCBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Doyenne 1-1/8"-1.5" Integrated HeadsetPrime's mission is to make your ride better, which is why the Doyenne Integrated Headset ensures smooth steering for many miles in all conditions, thanks to its superior reliability, quality and performance.The Doyenne Headset features highly polished angular contact bearings to ensure smoothness, and the top cap is CNC machined from 6061 alloy and sealed to keep moisture away from the bearings.To protect the lower bearings, Prime has included a CNC-machined 7075 alloy crown race.Features: Steerer Type: Tapered 1-1/8" to 1.5" Top Cap Material: Aluminium Top Cover Material: Aluminium Bearing Material: Steel Race with Steel Bearing Use: Road Upper Bearing: IS41.8/28.6, 8mm H x 41.8mm OD x 45x45deg Lower Bearing: IS52/39.8, 7mm H x 51.8mm OD x 45x45deg Stack Height: 8.7mm (without Crown Race) Top Cover Height: 8.2mm Weight: TBCBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Bottom Bracket Adaptor (BB386 - Shimano)Prime's Bottom Bracket Adaptor (BB386 - Shimano) allows you to run Shimano and FSA 24mm cranksets in BB386 EVO road bike bottom bracket shells with a compatible bottom bracket.Precision made with the highest quality materials, Prime Bottom Brackets and BB adaptors ensure your cranks run smoother for longer.Features: Material: Alloy Allows cranks with a 24mm axle to be used in BB386 EVO frames Weight: 25gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Threaded Bottom Bracket (SRAM - DUB)Engineered for use with all SRAM DUB cranksets with a 29mm axle diameter, Prime's Threaded BB is a high-quality bottom bracket. Precision made for durability and smoothness; Prime Bottom Brackets keep your bike running smoother for longer.Low Friction Bottom BracketDesigned so that the bearings rest on the axle of the crank, these BBs provide a straight load to the bearings, which means your BB will last longer. This also allows us to make the Prime Threaded BB with tighter tolerances, so it runs smoother with less friction. This means you'll require less effort to make it up that hill or sprint for the line.To keep our Threaded BB running smoother for longer, we use special seals that keep water out of the bearings. We use multiple smaller seals, which reduces friction and provides a better barrier against moisture and dirt. Our bearings themselves are manufactured to precision and packed with slick, waterproof grease.Ceramic BearingsWith our ceramic bearing option, friction is reduced meaning less energy is required to turn the cranks, they're also more durable, and don't rust so they'll require less maintenance. If you're a rider seeking out every possible advantage over the competition, the ceramic option can help take your performance to the next level.Features: Bearing: Premium Stainless Steel & Ceramic options available Frame Type: BSA Threaded Crank Type: SRAM DUB (29mm) Weight: 90g (Steel Bearings), 85g (Ceramic Bearings)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Bottom Bracket Adaptor (BB386 - GXP)Prime's Bottom Bracket Adaptor (BB386-GXP) allows you to run SRAM and Rotor GXP 24/22mm cranksets in BB386 EVO road bike bottom bracket shells with a compatible bottom bracket.Precision made with the highest quality materials, Prime Bottom Brackets and BB adaptors ensure your cranks run smoother for longer.Features: Material: Alloy Allows cranks with a 24/22mm axle to be used in BB386 EVO frames Weight: 28gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime PF30 Bottom BracketPrime's PF30 Bottom Bracket packs a lot of technology into a compact package to keep your cranks running smoother for longer. At Prime we use the best elements from different materials to ensure optimum performance.Creak-Free Bottom BracketThe bearings are held in place by an alloy cup, but in order to keep the BB and frame quiet and creak-free, they are housed in a plastic/nylon shell. Finding the right mix of plastic and nylon has allowed us to precisely manufacture these BBs so they won't deform over time or when they get wet. It also allows the BB to fit in frames that aren't perfectly aligned.Our bearings inside our PF30 BBs are precisely manufactured to spin smoothly, and when combined with our special seals, repel the elements. The seal is made from a mix of rubber and alloy to provide double protection for the bearings. And, we hand assemble these bottom brackets to ensure none of this development and precision is wasted.Ceramic Bearingsthey're also more durable, and don't rust so they'll require less maintenance. If you're a rider seeking out every possible advantage over the competition, the ceramic option can help take your performance to the next level.Features: Bearing: Premium Stainless Steel & Ceramic options available Frame Type: PF30 Crank Type: SRAM (30mm) or Shimano/FSA (24mm) when used with the Prime Bottom Bracket Adaptor (PF30 - Shimano) Weight: 92g (Steel Bearings), 87g (Ceramic Bearings)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime BB386 Bottom Bracket (SRAM - DUB)Prime's BB386 Bottom Bracket packs a lot of technology into a compact package to keep your cranks running smoother for longer. At Prime we use the best elements from different materials to ensure optimum performance.Creak-Free Bottom BracketThe bearings are held in place by an alloy cup, but in order to keep the BB and frame quiet and creak-free, they are housed in a plastic/nylon shell. Finding the right mix of plastic and nylon has allowed us to precisely manufacture these BBs so they won't deform over time or when they get wet. It also allows the BB to fit in frames that aren't perfectly aligned.Our bearings inside our BB386 BBs are precisely manufactured to spin smoothly, and when combined with our special seals, repel the elements. The seal is made from a mix of rubber and alloy to provide double protection for the bearings. And, we hand assemble these bottom brackets to ensure none of this development and precision is wasted.Ceramic BearingsWith our ceramic bearing option, friction is reduced meaning less energy is required to turn the cranks, they're also more durable, and don't rust so they'll require less maintenance. If you're a rider seeking out every possible advantage over the competition, the ceramic option can help take your performance to the next level.Features: Bearing: Premium Stainless Steel & Ceramic options available Frame Type: BB386 EVO Crank Type: SRAM DUB (29mm) Weight: 85g (Steel Bearings), 80g (Ceramic Bearings)Buy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Bottom Bracket Adaptor (PF30 - Shimano)Prime's Bottom Bracket Adaptor (PF30 - Shimano) allows you to run Shimano and FSA 24mm cranksets in BB30 & PF30 road bike bottom bracket shells with a compatible bottom bracket.Precision made with the highest quality materials, Prime Bottom Brackets and BB adaptors ensure your cranks run smoother for longer.Features: Material: Alloy Allows cranks with a 24mm axle to be used in BB30 & PF30 frames Weight: 56gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime BB30 Bottom BracketWhen bearings have to be pressed directly into the frame, it is of the upmost importance that the bearings are of the highest quality - The bearings in this Prime BB30 Bottom Bracket are exactly that.Our bearings are highly polished so they spin smoother for longer, while the seals protect the bearings and races from dirt and debris that try to make their way in.Features: Bearing: Premium Stainless Steel Frame Type: BB30 Crank Type: SRAM (30mm) or Shimano/FSA (24mm) when used with the Prime Bottom Bracket Adaptor (PF30 - Shimano) Weight: 56gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Prime Threaded Bottom Bracket (Shimano)Designed for use with all Shimano and FSA cranksets with a 24mm axle diameter, Prime's Threaded BB is a high quality bottom bracket. Precision made for durability and smoothness; Prime Bottom Brackets keep your bike running smoother for longer.Low Friction Bottom BracketDesigned so that the bearings rest on the axle of the crank, these BBs provide a straight load to the bearings, which means your BB will last longer. This also allows us to make the Prime Threaded BB with tighter tolerances, so it runs smoother with less friction. This means you'll require less effort to make it up that hill or sprint for the line.To keep our Threaded BB running smoother for longer, we use special seals that keep water out of the bearings. We use multiple smaller seals, which reduces friction and provides a better barrier against moisture and dirt. Our bearings themselves are manufactured to precision and packed with slick, waterproof grease.All of the above combine to make the Prime Threaded Bottom Bracket the ideal choice for riders who want the best from their bike components.Please note: BSA & ITA options available, so please ensure you select the correct item from the drop down.Features: Bearing: Premium Stainless Steel Frame Type: BSA or Italian Threaded Crank Type: Shimano/FSA (24mm) Compatibility: Compatible with 68mm Road BB shells Installation: Shimano TL-FC24 bottom bracket tool adaptor required to install Weight: 69gBuy Prime Components from Chain Reaction Cycles, the World's Largest Online Bike Store.