T47 External Bearing BB for installing a Shimano Hollowtech II cranks into a T47 68 Road or 73mm MTN frames.
Features
- Patent Pending Outboard Bearing Design.
- “Collet” style non-drive cup expansion for wiggle-free press.
- Non-Drive O-Ring compensates for frame width discrepancies.
- Not for BBRight or BB386EVO frames.
- 68mm cannot be used for MTB Cranks.
- MTB Guides - ISCG05 Good, ST Mounted Good, ISCG03 Not Good.
Specifications
- For Shimano Hollowtech II cranks.
- Forged & machined heat-treated 7075 T6 Aluminium.
- Steel cartridge radial bearings.
- 68mm Road version / 73mm MTB Version.
- For T47 E.B.







