Boyesen Rad Valve YCRF_balance_bikes Youth specific sizing provides unmatched

Youth specific sizing provides unmatched coverage and comfort

ditch banging

10 x 6mm Fuji Lock Nut

Adjustable Wheel Chock

The updated chassis improves comfort and fit

Boyesen Rad Valve YCRF_balance_bikes Youth specific sizing provides unmatchedFEATURES An aero form reed valve that corrects the problems associated with existing reed valve designs Maintains flow velocity through the valve and re directs the intake charge for even distribution to the intake ports Provides quicker, sharper throttle response and more horsepower 1 piece aluminum casting; no manifolds to trim or plastic pieces to insert Boyesen Pro Series RAD Reeds included