This thru-axle is designed as a direct replacement for the standard thru-axles found in 15mm RockShox Boost forks as well as most models of 15mm Boost Fox forks. It features a high-quality 7075 aluminium build, which makes it not only lightweight but also very strong and durable on your mountain bike (MTB). This makes it a great choice of upgrade for riders who need to replace their damaged or lost stock axle on their forks.Material: AL7075 AluminiumCNC Precision engineeredHollow for weight saving6mm Hex head at both axle ends for easy fitting & removalColour: BlackSize: 158mm x P1.5 x 10mm (Rockshox Boost), 155mm P1.5 x 13.5mm (Fox Boost)Option: RockShox Boost, Fox BoostThe axle has a washer which helps reduce pressure on the fork legs and transfers some of the tightening torque to the clamping load. This also helps to increase stiffness, while preventing the axle from getting stuck when you want to remove it.All axles are a 6mm hex on the non-drive side and have a backup 6mm hex on the drive-side, allowing the axle to be tightened and loosened from either side of the bike.Always apply a small amount of grease to the axle and threads when installing your axle. Please Note: Not compatible with 2021 Fox 36mm / 38mm forks.
This thru-axle is designed as a direct replacement for the standard thru-axles found in 15mm RockShox Boost forks as well as most models of 15mm Boost Fox forks. It features a high-quality 7075 aluminium build, which makes it not only lightweight but also very strong and durable on your mountain bike (MTB). This makes it a great choice of upgrade for riders who need to replace their damaged or lost stock axle on their forks.Material: AL7075 AluminiumCNC Precision engineeredHollow for weight saving6mm Hex head at both axle ends for easy fitting & removalColour: BlackSize: 158mm x P1.5 x 10mm (Rockshox Boost), 155mm P1.5 x 13.5mm (Fox Boost)Option: RockShox Boost, Fox BoostThe axle has a washer which helps reduce pressure on the fork legs and transfers some of the tightening torque to the clamping load. This also helps to increase stiffness, while preventing the axle from getting stuck when you want to remove it.All axles are a 6mm hex on the non-drive side and have a backup 6mm hex on the drive-side, allowing the axle to be tightened and loosened from either side of the bike.Always apply a small amount of grease to the axle and threads when installing your axle. Please Note: Not compatible with 2021 Fox 36mm / 38mm forks.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Nukeproof Horizon Bottom Bracket GXPPrepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a machined alloy construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. Nukeproof has also equipped this trail-ready bottom bracket with an anodised finish, which gives it an extra layer of protection against corrosion. MTB Bottom Bracket with Titanium Coated BearingsAll set for fast-paced mountain bike adventures, this bottom bracket is equipped with titanium coated race bearings and stainless-steel balls. The titanium coating is applied in a vaporised vacuum environment, which allows its structure and density to be fine-tuned. ABEC 5 certified and protected against the elements, the Nukeproof Bottom Bracket GXP is an excellent upgrade for riders who want a reliable component on tough mountain bike rides.Please note: Nukeproof are also offering a two-year warranty on their bottom brackets including the bearings. Click here to view how to replace your SRAM GXP Bottom Bracket.Click here to view and download our Nukeproof Technical Manual BSA 83mm GXP to ensure compatibility.Click here to view and download our Nukeproof Technical Manual BSA 68 73mm GXP to ensure compatibility.InstallationA Shimano Hollowtech II type tool is required for installation - 16 notch 44mm OD. available hereFeatures: Cup Material: Alloy Bearing Material: Titanium coated race bearings Ball Material: Stainless-Steel Finish: Anodised Use: MTB Compatibility: SRAM GXP Thread: BSA 1.37"x24 TPI Certification: ABEC 5Manufacturer Part Numbers: Black 83mm: NUKTK878GM-83-TSBB Black 68-73mm: NUKTK878GM-TSBB Blue 68-73mm: NUKTK878GM-TSBBBLU Blue 83mm: NUKTK878GM-83-TSBBBLU Copper 68-73mm: NUKTK878GM-TSBBCOP Copper 83mm: NUKTK878GM-83-TSBBCOP Grey 68-73mm: NUKTK878GM-TSBBGRY Grey 83mm: NUKTK878GM-83-TSBBGRY Purple 68-73mm: NUKTK878GM-TSBBPUR Purple 83mm: NUKTK878GM-83-TSBBPUR Red 68-73mm: NUKTK878GM-TSBBRED Red 83mm: NUKTK878GM-83-TSBBREDBuy Nukeproof Components from Chain Reaction Cycles, the World's Largest Online Bike Store.