Promax HF-2 Crankset - 172.5mm 24mm Spindle 2-Piece Black Santa Cruz Bronson 4 / Roubion 4 2022-2024 and durable ski for training

and durable ski for training

ISM’s Performance Narrow saddles feature a 110mm width to allow for more rider body movement around the saddle

5mm on wide spindle cranks

A great all-purpose tire with long lasting sticky rubber compound and multi-step inverted style tread

Promax HF-2 Crankset - 172.5mm 24mm Spindle 2-Piece Black Santa Cruz Bronson 4 / Roubion 4 2022-2024 and durable ski for trainingTrusted by elite BMX racers for more than a decade the Promax HF 2 cranks are a balanced combination of stiffness durability and weight savings. Forged from 6061 T6 aluminum the hollow crank arms spin on a beefy 24mm spindle permanently fitted into the drive side arm. Hollow forged 6061 T6 aluminum HF 2 cranks are lightweight stiff and strong 104mm BCD chainring mount (Chainring sold separately) Chainline: 43 Q Factor: 168 Pedal washers included