Inspyre Evo Disk Junior 18.75"TT BMX Race Bike-Black crank-arm-length-170mm and the long sleeve fit

and the long sleeve fit is built for all-day comfort

One-piece CNC machined setter tube with wlded nut/compression bolt

CNC cut from 6061-T6 aircraft grade aluminum for highest quality

The 30mm cross section is designed to work with the other M30 components in Box's lineup

Lightweight and super responsive

Inspyre Evo Disk Junior 18.75"TT BMX Race Bike-Black crank-arm-length-170mm and the long sleeve fitThe Inspyre Evo Disk Junior 18. 75"TT BMX Race Bike Black is built for taller riders chasing next level power and precision on the track. Centered around the lightweight 6061 T6 aluminum Evo Disk frame, it offers the ideal blend of stiffness, balance, and responsiveness for confident control through every straight and corner. With Forward Joyride cranks, Tioga Powerblock tires, and Inspyre Evo hubs, this setup delivers smooth speed and quick