Shimano 24mm to T47 External 68/73mm Bottom Bracket

T47 External Bearing Bottom Bracket – Shimano Hollowtech II

Purpose:

• Installs Shimano Hollowtech II cranks into T47 frames

• Compatible with 68mm Road or 73mm MTB frames

Construction & Material:

• Forged & machined heat-treated 7075 T6 aluminium

• Steel cartridge radial bearings

Technology:

• Patent-pending outboard bearing design

• Collet-style non-drive cup expansion for wiggle-free press

• Non-drive O-ring compensates for frame width discrepancies

Compatibility Notes:

• Not for BBRight or BB386EVO frames

• 68mm cannot be used with MTB cranks

• MTB guides: ISCG05 OK, ST Mounted OK, ISCG03 Not OK

Installation:

• Requires T47 External Bearing press tool