
Phil Wood Upgrade sealed cartridge bearing.
- Used to upgrade bearings on Hollowtech, Mega Exo and X-Type bottom brackets
- Use with the original plastic sleeve that fits over the bearing from the original bottom bracket to ensure that crankset spindle fits snugly
- Bearing I.D. (mm): 25
- Manufacturer Number: 4085
- Bearing O.D. (mm): 37
- Material: Steel
- Thickness: 7
