Bellwether O2 Shorts Women'sErgonomically designed entry level short includes a silicone leg gripper and reflective logos.

81mm Maximum Rotor Size 185mm

that’s built to descend

Compatible with both road and mountain bikes with 1x drivetrains

The race grooves are deeper on these bearings for more lateral support for the twisting and multiple forces associated with mountain bike pivots

Self-Extracting Design: Includes convenient self-extracting aluminum machined dust caps and BB bolts

6 in (66 mm)

Highlights: drirelease® moisture management

easy unlocking in the dark* Anti-Theft Protection offer $3500* 2

Shifting Accuracy: Exact Actuation Ratio delivers 3 mm motion per shift across the entire cassette

it allows mechanics and advanced users to run full system diagnostics

6” / 201 - 219 mm 7 - 7

If you’ve got vertical dropouts