Meroca Bike Bottom bracket 68 Threaded BB English BSA 68 Bottom bracket 68 73 22 24 19 mm for Shimano for Sram GXP

Meroca Bike Bottom bracket 68 Threaded BB English BSA 68 Bottom bracket 68 73 24 24mm for Shimano for Sram GXP crankset

BSA thread bottom bracket is the most frequently used bottom bracket in world. And it’s the most lower price BB. If you are metal frame MTB, then you 99% is BSA BB.

Color: red,  black, golden, purple

Material: 6061 Aluminum alloy+ sealed bearings, central shell is also aluminum.

Hole diameter: 24mm and 24mm

BB shell width compatibility: 68mm,73mm

Outside diameter: 41 (+0.05,-0) mm

weight: 120g

It come with 3pcs spacer which thickness 1mm, 2mm and 3mm. To fit different BB shell width.

3 Steps to choose bottom bracket:
1. know your BB shell inner diameter, usually 41mm 42mm 46mm
2. know your BB shell width, 68-92mm
3. know diameter of crankset spindle: Shiman.o, IXF, Prowheel 24-24mm, Sram 22-24mm, FS—A 19-19mm, other 30mm.

Shimano, IXF, Prowheel use 24-24mm, Sram is 22-24mm, FSA is 19-19mm.