Shimano xt mt800 mtb press fit bottom bracketsimple to install and built to deliver a smooth rotation that lasts, the xt pressfit bottom bracket can be used in both mountain bikes and road bikes. This complete assembly comes with all you need to get your cranks rotating smoothly again, so you can make the most of your pedalling efforts. Shimano made this durable component from a reinforced polymer to prevent any creaking in the frame, plus the cups are fully sealed to protect them from water or mud ingress.featurestype bb92 pressfitbottom bracket compatibility compatible with 89.5mm with 2.5mm spacer and 92mm shellsdimensions 41mm cup diameter, suits 89.5mm or 92mm shell widthscups are made from fibre reinforced polymer material which reduces the risk of frame noise and damagecompatibility suits all chainsets with 24mm spindles eg. All shimano hollowtech ii chainsetssealed cups keep out dirt and watermaintenance freeeasy press fit installationincluded left and right hand cups, 2.5mm spacer, inner cover, and inner o ringsmanufacturer reference code bbmt800paweight 68.2g approx.a 2 year warranty is offered with all shimano products from chain reaction cycles 3 years on dura ace and xtr products.buy shimano components from chain reaction cycles, the world's largest online bike store.