Wheels Manufacturing BB30 Bottom Bracket Adaptor for Hollowtech II Cranks Brake Levers saving weight and providing a

saving weight and providing a clean interface

Built from CNC-machined aluminum with a lightly knurled barrel for grip

quiet action with a rock-solid feel under load

keeping your bottle locked in over rough pavement and during sprint efforts

The 13T pulley size increases chain wrap and improves chain management compared to smaller pulleys

Wheels Manufacturing BB30 Bottom Bracket Adaptor for Hollowtech II Cranks Brake Levers saving weight and providing aIs the BB30 Adaptor Right for Your Shimano Cranks? The Wheels Manufacturing BB30 Bottom Bracket Adaptor solves one of the most common frame to drivetrain compatibility headaches in cycling: running Shimano Hollowtech II cranks in a BB30 frame without introducing creaks or play. Machined from engineering grade Delrin, the inserts press cleanly into the BB30 shell and provide a precise bore for a standard threaded bottom bracket, giving you the