Carbon fiber arms with structural foam core provide excellent strength-to-weight. Tall teeth with alternating narrow and wide profiles retain chain over rough terrain.
"Hidden" chainring bolt threads into crank arm to enhance chainring stiffness
Carbon fiber arms with structural foam core provide excellent strength-to-weight. Tall teeth with alternating narrow and wide profiles retain chain over rough terrain.
"Hidden" chainring bolt threads into crank arm to enhance chainring stiffness
