Bottom Bracket
Product ID: BB-7420ST/BB-7420AL
- Cups: Steel or Alloy
- Bearing Type: Cartridge Bearings, Easily maintenance
- Shell: 68 or 73mm
- Thread: English 1.37" x 24T
- Bearing: 3/16"mm (6002 KRS)
- BB-7420 is compatible with Shixxxo UN-40
- A simple bearing design that fixed two bearings on the BB axle
- This bearing of 3/16" is larger than common 5/32" for greater durability and longevity
Main Products:
bottom bracket, Headset, Crank
