Mountain shell Shimano

Shimano MTB press fit 41 mm bottom bracket with inner cover, for 92 or 89.5 mm

Maintenance free - Sealed cups keep out dirt and water - Set includes left and right hand cups, 2.5 mm spacer, inner cover, and inner O-rings - Complete XT level press-fit bottom bracket assembly for Shimano Hollow Tech II MTB cranks

Item Package Quality: 1 - Model Number: BB93B - Country of origin:- China - Package Weight: 120 grams

Set includes left and right hand cups, spacers, inner cover, and inner O-rings.Sealed cups keep out dirt and water.Maintenance free.Compatible with 68 mm and 73 mm shell.Durable anodized finish.

Shimano BB-UN300 is a square tapered bottom bracket with a British thread and comes in silver. It measures 68 to 115 mm and fits most bikes with a standard frame.