Praxis Conversion ConvBB (Sram / Campy) OSBB

Patent Pending Design
“Collet” style non-drive cup expansion for wiggle-free press
Non-Drive O-Ring compensates for frame width discrepancies

For Campy/Ultra Torque cranks only. NOT PowerTorque or OverTorque
Not for Cervelo BBRight, BB386EVO, or BB86/90 frames


In stock

Inclusive 6% GST
Colour or size is subject to availability
SKU: A10000724 Category: Brand:

For Campagnolo UltraTorque cranks only
Designed precisely to Campy ULT bearing stance & chain line spec.
Forged & machined heat-treated 7075 T6 Aluminum

68mm Road
For BB30, PF30, and Specialized Road OSBB frames only
Non drive wavy washer and drive side outer clip included
Bearings not included as they are pressed on your Campy ULT crank

Length: 68mm
ConvBB Campy Ultra Torque

For specialized bike only


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In the past he had been an integral part of many of the most well known R&D teams in the industry – Member of the original Bontrager Cycles, Sr. Design engineer at Specialized, Director of Engineering at Santa Cruz Bicycles, and many other individual R&D ventures for well known industry projects.

It was simply time to branch out and focus on something that he had been working on for years: Drivetrain Components.