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 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.