Brand: RYET.
(OEM manufacture supplier for Giant, Merida)
No.1 quanlity headset and bottom bracket brand in China.
Materials: aluminum alloy.
Aluminum Cups +Bearings.
Weight: About 140g.
Specifications:
BB30R(PF30R): BB shell inner diameter 46mm, width 68 or 73mm
BB30AL: BB shell inner diameter 42mm, width 68mm or 73mm
BB30RL（PF30RL）: BB shell inner diameter 46mm, width 68 or 73mm
BB30AR: BB shell inner diameter 42mm, width 68mm or 73mm
for Shimano spindle diameter:24-24mm
for Sram spindle diameter:one side 24mm, another side 22mm
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 42mm 46mm
2. know your BB shell width, 68 or 73mm
3. know diameter of crankset spindle: for Shimano 24-24mm, for Sram 22-24mm
Main Features
