Nukeproof horizon bottom bracket 30mmthe horizon bottom bracket 30mm from nukeproof is changed for tearing up challenging terrain on your mountain bike mtb. Made from a machined alloy construction, it is incredibly durable and can withstand all day adventures on the mountain. Nukeproof has also added an anodised finish to this bottom bracket, for added 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 30mm is an excellent upgrade for riders who want a reliable component on tough mountain bike rides. 16 notch 49mm od cup tool is required for fitting available separately.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 30mm to ensure compatibility.features cup material alloy bearing material titanium coated race bearings ball material stainless steel finish anodised use mtb compatibility 30mm spindle cranks bottom bracket compatibility 73mm bottom bracket shells thread bsa 1.37x24 tpi certification abec 5manufacturer part numbers black nukbb392bsa tsbb blue nukbb392bsa tsbbblu copper nukbb392bsa tsbbcop grey nukbb392bsa tsbbgry purple nukbb392bsa tsbbpur red nukbb392bsa tsbbredbuy nukeproof components from chain reaction cycles, the world's largest online bike store.