This Conversion BB is for installing a Shimano Hollowtech II steel spindle crank in either BB30/PF30 road frame or older Specialized OSBB road frame.
This bottom bracket is made of lightweight and durable aluminum with long lasting sealed cartridge bearings.

Technologies
Updated Rubber expanding Collet design | Patented Pending
“Rubber Collet” drive cup expansion for wiggle-free press
Non-Drive O-Ring compensates for frame width discrepancies
Features
New updated design with Rubber expanding collet.
This version for Shimano Hollowtech II steel spindle road cranks only.
Designed precisely to Shimano bearing stance & chain line spec.
Forged & machined heat-treated 7075 T6 Aluminum
For 68mm BB30/PF30 and older Specialized OSBB Road frames
Not for BBRight, BB386EVO, BB30A, BB86, BB92 frames
68mm version cannot be used for MTB Cranks
Specifications
Steel version: Enduro 2437
Ceramic Version: Enduro 2437 Angular contact
Grade5 balls
ABEC5 Assembly









Reviews
There are no reviews yet.