DUB bottom bracket BB30 M68 73 Thread Lock Seal bearing Available MTB Bike For Sram-dub PASAK 12-speed flywheel directly installed)

12-speed flywheel directly installed)

The bushings of the above several sizes are all matched

Compression/damping adjustable

If you want to improve the riding posture and install double stem

For 20" folding bike

DUB bottom bracket BB30 M68 73 Thread Lock Seal bearing Available MTB Bike For Sram-dub PASAK 12-speed flywheel directly installed)Brand: MEROCA Product name: DUB press fit central axle Axle: 28. 99MM Material: high strength aluminum alloy, wear resistant, waterproof, not easy to rust PF30 DUB bottom bracket Inner diameter: 46MM Width: 68 73MM Crankshaft 28. 99MM BB30 DUB bottom bracket Inner diameter: 42MM Width: 68 73MM Crankshaft 28. 99MM BBB386 DUB bottom bracket Inner diameter 42MM Width: 86. 5MM Crankshaft: 28. 99MM M68 DUB bottom bracket British gauge thread bottom bracket