S1 Defense Pro 1.0 Knee/Shin Sleeve-Black Size:Youth XX-Large RECOMMENDED DISC BRAKE ROTOR: SM-RT54*

RECOMMENDED DISC BRAKE ROTOR: SM-RT54* SM-RT56* SM-RT64 SM-RT66

hollow axle

Combined with aluminum nipples you could be saving almost 50 grams per wheel versus straight 15 gauge spokes with brass nipples

The synthetic leather upper wraps around to reduce overlap and is perforated to allow maximum breathability

S1 Defense Pro 1.0 Knee/Shin Sleeve-Black Size:Youth XX-Large RECOMMENDED DISC BRAKE ROTOR: SM-RT54*With the Defense Pro 1. 0 Knee Shin Sleeve Black at J&R Bicycles you can be sure your young rider's legs are protected and they will still be comfortable. S1 knows safety and uses quality materials that are lightweight and comfortable while providing excellent protection and flexibility. This knee shin sleeve is open at the back of the knee to allow for more range of motion. Features: Soft and Flexible drip dry spandex sleeve Integrated S. A. M. pads.