Flux Pro 43 Trail Aluminum Mountain Bike Rim Trail Momentum in the rear is

Momentum in the rear is a proven combo for riders who want grip where it counts and speed where it helps

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

and hook up on off-cambers

They’re some of the toughest levers on the market

and chainrings

Flux Pro 43 Trail Aluminum Mountain Bike Rim Trail Momentum in the rear isFlux Pro 43 Aluminum rims have a low profile design and 6069 AL, welded construction. They're perfectly suited for robust Trail wheels, or lightweight and ultra compliant All Mountain front wheels. Engineered compliance means added comfort, reduced fatigue, and enhanced traction. Flux Pro 43 rims are ideal for riders who prioritize rapid acceleration and climbing efficiency, in an alloy wheel they can trust in the backcountry. The ride feel is active