Prepared for intense MTB rides, this bottom bracket is engineered for unpredictable riding conditions on your mountain bike. It features a nylon construction, which makes it more than capable of handling all the abuse associated with all-day epics on the mountain bike trails. This enables you to benefit from its superb strength as you shred in the trails in all-weather conditions. MTB BOTTOM BRACKET WITH TITANIUM COATED BEARINGS All 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 SRAM DUB Pressfit BB89-92 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.