WAAZVXS WEIWEIBEIER 2Pcs Road Bike Headset Caged Ball Bearing Frame Front Fork Rear Pearl Retainers Race Cycling Headset Bearing Bicycle Parts (Color : 2 37 29mm)

• Specification:
• Material: Steel
• Quantity: 2PCS
• The package includes:
• 2pcs x bearing

Features:

1# 40-32mmm, inner diameter 32mm, outer diameter 40mm, steel ball diameter 4mm, used in and Road bike front fork headset
2# 37-29mm, inner diameter 29mm, outer diameter 37mm, steel ball diameter 4mm, used in bicycle front fork headset
3# 38-24mm, inner diameter 24mm, outer diameter 38mm, steel ball diameter 8mm, used in 's bicycles
4# 31-22mm, inner diameter 22mm, outer diameter 31mm, steel ball 4.763mm, used for Bottom Bracket
5# 29-22mm, inner diameter 22mm, outer diameter 29mm, steel ball diameter 6.35mm, common bottom bracket on the market
6# 25mm, outer diameter 25mm, steel ball diameter 6.35mm, often used in rear hub
7# 21mm, outer diameter 21mm, steel ball diameter 4.763mm, often used in front hub