1. Material: steel
2. Application: mountain/road bike etc.
3. Purpose: repair common full-concealed press-in semi-concealed and external bearing bowl sets
4. Features: laser engraved bearing parameters inner and outer 45 degree chamfer anti-rust and abrasion resistance flexible rotation wide applicability
5. Specification: 41/41.8/47/49/52mm
6. Weight: about 25g for 41mm about 26g for 41.8mm about 33g for 47/49mm and about 35g for 52mm
