MTB Ceramic Bottom Bracket 68mm / 73mm Bike Threaded Bearing Hollowtech BB Cup
For Shimano Bike Cassette Freewheel 8 Speed 12-32T Sprocket MTB Bicycle Black. Lightweight Single Disc MTB Bike Chain Guide 32T-38T Protector System Bicycle. For Shimano SRAM Bike Cassette Freewheel 10 Speed 11-36/42T Sprocket MTB Cycling.
Bike Bottom Bracket 30mm BSA30 Road MTB Bicycle 68/73mm BB30 Threaded Bearing
Specifications: Condition:100% Brand New BB/Frame Interface: English Material: Aluminum Alloy Bowl Color: Black Spacer: No Spacer Applicable Bottom Bracket: BC1.37”X24T Installation Method: Threaded Frame Bottom Bracket Width: 68mm-73mm Crankshaft Core Size: 30-30mm Net Weight: About 90g Gross Weight: About 100g Feature: Fits 68-73mm frame bottom bracket shells. This bottom bracket provides better sealing and rotation to delivery. Locking aluminum alloy shaft cover, CNC processing, sealed Peilin smooth and durable. .