. Complete press-fit bottom bracket assembly for Shimano Hollow Tech II MTB cranks
Features: Cups are made from fibre reinforced polymer material which reduces the risk of frame noise & damage Set
Includes:: left & right hand cups, inner cover, & inner O-rings Sealed cups keep out dirt & water Maintenance free Compatible with 86 5mm shells 41mm cup diameter Easy press-fit installation A 2 year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace & XTR products) Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.