SRAM Red BB30 Compact 2x11 Speed ChainsetThe SRAM RAM Red BB30 Compact Road chainset features a completely hollow construction all the way to the spider. Its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight. It's also equipped with X-GlideR chainrings, which provide seamless, flawless performance and compatibility with SRAM's Yaw front derailleur.This version of the SRAM Red chainset uses the BB30 bottom bracket system and with its larger 30mm spindle, it ensures efficient and flex free power transfer. It is also equipped with a compact Road 50/34T chainring setup, making it ideal for training on, club rides and sportives.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon BCD: 110mm Tooth count: 50/34T SRAM Road 11-speed compatible Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Weight: 557g (BB30 172.5mm 53x39T, BB not included)Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red BB30 11 Speed Road Double ChainsetWith full carbon fibre crank arms that are hollow right up to the chainring spider, SRAM’s RED BB30 chainset beings you outstanding power delivery at a low weight. With its hidden bolt design behind the drive side crank arm, it makes the most of the carbon construction to make the most of your pedalling efforts. Your pedalling performance is further enhanced by SRAM’s X-GlideR chainrings, which ensure flawless operation, clean shifts and are compatible with SRAM Yaw type front derailleurs.Stiff Road Bike Chainset for BB30 Bottom Bracket SystemThis version of the SRAM Red crankset uses the BB30 bottom bracket system and with its larger 30mm spindle, it ensures efficient and flex-free power transfer. It's also available with a standard Road 53/39T chainring setup, making it ideal for time trial and racing use, where you need ultimate acceleration to be first over the line. Or, if you're looking more an option to make climbing a little easier for longer rides, there is a semi-compact 52/36T option too.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon Axle Diameter: 30mm SRAM Road 11-speed compatible Designed for BB30 bottom brackets Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Bottom Bracket Included: No Weight: 557g (BB30 172.5mm 53x39T, BB not included)Manufacturer Reference Codes:Black 130mm 53/39T 165mm: 00.6118.386.000; Black 130mm 53/39T 170mm: 00.6118.386.002; Black 130mm 53/39T 172.5mm: 00.6118.386.003; Black 130mm 53/39T 175mm: 00.6118.386.004; Black 110mm 52/36T 165mm: 00.6118.387.000; Black 110mm 52/36T 170mm: 00.6118.387.002; Black 110mm 52/36T 172.5mm: 00.6118.387.003;Black 110mm 52/36T 175mm: 00.6118.387.004Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red BB30 11 Speed Road Double ChainsetWith full carbon fibre crank arms that are hollow right up to the chainring spider, SRAM’s RED BB30 chainset beings you outstanding power delivery at a low weight. With its hidden bolt design behind the drive side crank arm, it makes the most of the carbon construction to make the most of your pedalling efforts. Your pedalling performance is further enhanced by SRAM’s X-GlideR chainrings, which ensure flawless operation, clean shifts and are compatible with SRAM Yaw type front derailleurs.Stiff Road Bike Chainset for BB30 Bottom Bracket SystemThis version of the SRAM Red crankset uses the BB30 bottom bracket system and with its larger 30mm spindle, it ensures efficient and flex-free power transfer. It's also available with a standard Road 53/39T chainring setup, making it ideal for time trial and racing use, where you need ultimate acceleration to be first over the line. Or, if you're looking more an option to make climbing a little easier for longer rides, there is a semi-compact 52/36T option too.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon Axle Diameter: 30mm SRAM Road 11-speed compatible Designed for BB30 bottom brackets Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Bottom Bracket Included: No Weight: 557g (BB30 172.5mm 53x39T, BB not included)Manufacturer Reference Codes:Black 130mm 53/39T 165mm: 00.6118.386.000; Black 130mm 53/39T 170mm: 00.6118.386.002; Black 130mm 53/39T 172.5mm: 00.6118.386.003; Black 130mm 53/39T 175mm: 00.6118.386.004; Black 110mm 52/36T 165mm: 00.6118.387.000; Black 110mm 52/36T 170mm: 00.6118.387.002; Black 110mm 52/36T 172.5mm: 00.6118.387.003;Black 110mm 52/36T 175mm: 00.6118.387.004Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red GXP Compact 2x11 Speed Road ChainsetThe SRAM Red Compact chainset features a completely hollow construction all the way to the spider. Its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight. It's also equipped with X-GlideR chainrings, which provide seamless, flawless performance and compatibility with SRAM's Yaw front derailleur.This version of the SRAM Red chainset uses their GXP bottom bracket system, which makes it compatible with most Road frame's bottom bracket shell types. It is also equipped with a compact Road 50/34T chainring setup, making it ideal for training on, club rides and sportives.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon BCD: 110mm Tooth count: 50/34T SRAM Road 11-speed compatible Designed for GXP bottom brackets Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Weight: 609g (GXP 172.5mm 53x39T, BB not included)Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red GXP Compact 2x11 Speed Road ChainsetThe SRAM Red Compact chainset features a completely hollow construction all the way to the spider. Its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight. It's also equipped with X-GlideR chainrings, which provide seamless, flawless performance and compatibility with SRAM's Yaw front derailleur.This version of the SRAM Red chainset uses their GXP bottom bracket system, which makes it compatible with most Road frame's bottom bracket shell types. It is also equipped with a compact Road 50/34T chainring setup, making it ideal for training on, club rides and sportives.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon BCD: 110mm Tooth count: 50/34T SRAM Road 11-speed compatible Designed for GXP bottom brackets Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Weight: 609g (GXP 172.5mm 53x39T, BB not included)Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red GXP Compact 2x11 Speed Road ChainsetThe SRAM Red Compact chainset features a completely hollow construction all the way to the spider. Its hidden bolt pattern makes better use of carbon fibre to further improve stiffness and shed weight. It's also equipped with X-GlideR chainrings, which provide seamless, flawless performance and compatibility with SRAM's Yaw front derailleur.This version of the SRAM Red chainset uses their GXP bottom bracket system, which makes it compatible with most Road frame's bottom bracket shell types. It is also equipped with a compact Road 50/34T chainring setup, making it ideal for training on, club rides and sportives.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features: Arm Material: Carbon Chainring Material: Machined Alloy Compatibility: SRAM Red & SRAM Force Yaw front derailleur, SRAM Red 22 & PC1170 chains Finish: Carbon BCD: 110mm Tooth count: 50/34T SRAM Road 11-speed compatible Designed for GXP bottom brackets Exogram technology uses a large, hollow cross section all the way to the spider, minimising weight while maximising stiffness SRAM's stiffest crank ever Hidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearance Stiffer X-GlideR chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw front derailleur Weight: 609g (GXP 172.5mm 53x39T, BB not included)Technologies: Exogram: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio. X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red GXP 11 Speed Road Double ChainsetThe SRAM Red GXP Road Crankset features a hollow design all the way to the spider. Its hidden bolt pattern makes use of its carbon fibre construction to further enhance stiffness and shed unnecessary weight. It also benefits from X-GlideR™ chainrings, which provide smooth, even performance and are suitable for use with SRAM's Yaw™ front derailleur.This version of the SRAM Red crankset uses their GXP® bottom bracket system, which makes it compatible with most Road frame’s bottom bracket shell types. It is also equipped with a standard Road 53/39T chainring setup, making it ideal for time trial and racing use, where you need ultimate acceleration to be first over the line.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features:Arm Material: CarbonBottom Bracket Included: NoChainrings Included: YesChainring Bolt Circle Diameter (BCD): 110 BCD, 130 BCDChainring Material: Machined AlloyChainring Size: 46/36T, 50/34T, 52/36T, 53/36T Crankarm Length: 165mm, 170mm, 172.5mm, 175mmCompatibility: SRAM Red® & SRAM Force Yaw™ front derailleur, SRAM Red® 22 & PC1170 chainsFinish: CarbonTooth count: 53/39TCompatibility: SRAM Road 11-speed compatibleDesigned for GXP® bottom bracketsSRAM's stiffest crank everHidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearanceStiffer X-GlideR™ chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw™ front derailleurSpeed: 11 SpeedWeight: 609g (GXP 172.5mm 53x39T)Part No: FC-RED-C2Technologies:Exogram™: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio.X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Red GXP 11 Speed Road Double ChainsetThe SRAM Red GXP Road Crankset features a hollow design all the way to the spider. Its hidden bolt pattern makes use of its carbon fibre construction to further enhance stiffness and shed unnecessary weight. It also benefits from X-GlideR™ chainrings, which provide smooth, even performance and are suitable for use with SRAM's Yaw™ front derailleur.This version of the SRAM Red crankset uses their GXP® bottom bracket system, which makes it compatible with most Road frame’s bottom bracket shell types. It is also equipped with a standard Road 53/39T chainring setup, making it ideal for time trial and racing use, where you need ultimate acceleration to be first over the line.Already a legend in its time, the SRAM Red chainset now features refreshed graphics to complement the new SRAM Red eTap componentry.Features:Arm Material: CarbonBottom Bracket Included: NoChainrings Included: YesChainring Bolt Circle Diameter (BCD): 110 BCD, 130 BCDChainring Material: Machined AlloyChainring Size: 46/36T, 50/34T, 52/36T, 53/36T Crankarm Length: 165mm, 170mm, 172.5mm, 175mmCompatibility: SRAM Red® & SRAM Force Yaw™ front derailleur, SRAM Red® 22 & PC1170 chainsFinish: CarbonTooth count: 53/39TCompatibility: SRAM Road 11-speed compatibleDesigned for GXP® bottom bracketsSRAM's stiffest crank everHidden bolt pattern leverages the characteristics of Carbon Fibre while presenting a sleek appearanceStiffer X-GlideR™ chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimised for shifting with the Yaw™ front derailleurSpeed: 11 SpeedWeight: 609g (GXP 172.5mm 53x39T)Part No: FC-RED-C2Technologies:Exogram™: The new Hollow Carbon Construction starts in the crank arm and extends into the cranks' spider. It maximises the stiffness to weight ratio.X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. The chainrings, chain, and front derailleur are designed as a single integrated system for optimised performance.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 1 GXP 11 Speed Road ChainsetEngineered for precise and efficient chain control, the SRAM Rival 1 Road Chainset benefits from SRAM's X-Sync tooth profile for consistent and reliable performance you can count on. Featuring a CNC machined forged aluminium construction, it works seamlessly with the chain's inner and outer links and benefits from seven available chainrings, so you can tailor your gear range to match the way you ride.Features:X-SYNC™ tall, square tooth design provides maximum chain controlSharp, narrow tooth profile and rounded chamfer edges help manage a deflected chainMud-clearing recesses for the inner chain links and rollersArm Material: Forged aluminium with detachable spiderCrank Arm Length: 170mm, 172.5mm, 175mmSpeed: 11 SpeedChainline: 45.5mm, 47.5mmChainring Material: AluminiumChainring Bolt Circle Diameter (BCD): 110Chainrings Available: 42 or 50 teethIs Bottom Bracket Included: NoAre Chainrings Included: YesCompatibility: Compatible with 130mm & 135mm rear frame spacingWeight: 799g (24mm, 172.5mm, 42T, without Bottom Bracket)Part No: FC-RIV-1-A1Technologies:GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.X-SYNC™: SRAM X-SYNC™ 1X chainrings provide the highest level of performance and durability. The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfered edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC™ chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1X™ drivetrain.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 1 GXP 11 Speed Road ChainsetEngineered for precise and efficient chain control, the SRAM Rival 1 Road Chainset benefits from SRAM's X-Sync tooth profile for consistent and reliable performance you can count on. Featuring a CNC machined forged aluminium construction, it works seamlessly with the chain's inner and outer links and benefits from seven available chainrings, so you can tailor your gear range to match the way you ride.Features:X-SYNC™ tall, square tooth design provides maximum chain controlSharp, narrow tooth profile and rounded chamfer edges help manage a deflected chainMud-clearing recesses for the inner chain links and rollersArm Material: Forged aluminium with detachable spiderCrank Arm Length: 170mm, 172.5mm, 175mmSpeed: 11 SpeedChainline: 45.5mm, 47.5mmChainring Material: AluminiumChainring Bolt Circle Diameter (BCD): 110Chainrings Available: 42 or 50 teethIs Bottom Bracket Included: NoAre Chainrings Included: YesCompatibility: Compatible with 130mm & 135mm rear frame spacingWeight: 799g (24mm, 172.5mm, 42T, without Bottom Bracket)Part No: FC-RIV-1-A1Technologies:GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.X-SYNC™: SRAM X-SYNC™ 1X chainrings provide the highest level of performance and durability. The SRAM X-SYNC™ tall square teeth edges engage the chain earlier than traditional triangle shaped teeth. The sharp and narrow tooth profile, as well as rounded chamfered edges, help manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC™ chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC™ rings are an integral part of the SRAM 1X™ drivetrain.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 22 GXP 11sp Road Double ChainsetEnjoy exceptional performance with SRAM's Rival 22 Road Double Chainset. Designed with road cycling in mind, this 11 Speed Chainset provides the tools and technology to challenge and expand your limits on the tarmac. SRAM delivers high-quality components that inspire confidence and unrivalled performance. Features:Arm Material: Forged aluminium arms, Machined alloy spiderChainring Material: Machined alloy ringsRecommended Chain: PC-X1Crank Arm Length: 170mm, 172.5mm, 175mmSpeed: 11 SpeedChainline: 45mmChainring Bolt Circle Diameter: 110Chainring Size:Is Bottom Bracket Included: NoAre Chainrings Included: YesWeight: 857g (172.5mm 52x36 (without Bottom Bracket)Part No: FC-RIV-2X11-A1Technologies:GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chainrings, chain, and front derailleur are designed as a single integrated system for optimized performance.Please note: This is just the chainset that is supplied, not the entire groupset.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
SRAM Rival 22 GXP 11sp Road Double ChainsetEnjoy exceptional performance with SRAM's Rival 22 Road Double Chainset. Designed with road cycling in mind, this 11 Speed Chainset provides the tools and technology to challenge and expand your limits on the tarmac. SRAM delivers high-quality components that inspire confidence and unrivalled performance. Features:Arm Material: Forged aluminium arms, Machined alloy spiderChainring Material: Machined alloy ringsRecommended Chain: PC-X1Crank Arm Length: 170mm, 172.5mm, 175mmSpeed: 11 SpeedChainline: 45mmChainring Bolt Circle Diameter: 110Chainring Size:Is Bottom Bracket Included: NoAre Chainrings Included: YesWeight: 857g (172.5mm 52x36 (without Bottom Bracket)Part No: FC-RIV-2X11-A1Technologies:GXP®: GXP’s Gutter Seal design cuts friction and weight—improving both feel and performance.X-GlideR Chainrings: The chainrings are designed for an optimised shifting performance with the Yaw front derailleur. The stiffer rings (5mm 7075-T6 aluminium CNC-machined) feature upshift rivets with an advanced design adopted from SRAM XX. CNC machining allows for precision control of each tooth shape, ramp, and nearly every shifting feature of the chainring. Chainrings, chain, and front derailleur are designed as a single integrated system for optimized performance.Please note: This is just the chainset that is supplied, not the entire groupset.Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.