Shimano UN55 Square Taper Bottom Bracket

. The Shimano UN55 Square Taper Bottom Bracket has super accurate bearings for smooth operation and improved durability. With a durable and hard wearing sealed cartridge, this bottom bracket is maintenance free and keeps dirt, water, and mud from penetrating the unit Features A good quality bottom bracket for traditional chainsetsSuper accurate bearings for smooth operation and improved durabilityDurable, hard wearing sealed cartridge bottom bracket with square tapered spindle fittingLightweight hollow spindleMaintenance free sealed cartridge bearing assembly keeps out dirt, mud, and water for long bearing lifeFast and easy installation without adjustmentNarrow body allows clearance for cable routing under the bottom bracketA 2 year warranty is offered with all Shimano products from Chain Reaction Cycles 3 years on Dura Ace and XTR products BuyShimano Footwearfrom Chain Reaction Cycles, the World's Largest Online Bike Store.