Sidekick Pro Rear MTB Hub clearance Helix Race 12s clusters are

Helix Race 12s clusters are backward compatible with and can be used to upgrade your existing Helix or TRS+ 9-50T cassette

Sylvan Sidekick All Mountain Wheels break the old rules to revolutionize MTB wheels

5mm for wide cranks

Available in the full Helix color range for beautiful builds with e*thirteen stems

The Grappler RS Radial uses the same rear-specific RS tread with taller center knobs and steeper ramp angles for strong braking bite

Sidekick Pro Rear MTB Hub clearance Helix Race 12s clusters areThe Sidekick Pro Anti Kickback Rear MTB Hub is built for trail, all mountain, enduro, and E MTB riders who want the full Sidekick experience with upgraded internals: EZO bearings, TPX hub shell bearings, and nickel plated pawls. The best version of the technology, for riders who demand it. Like every Sidekick hub, the Pro fully decouples the drivetrain from the suspension during coasting. The pusher activated magnetic pawl mechanism retracts