Easy to install with clear instructions on the box

Shell Width: BB86 (road)

Materials: Polyester/Elastane stretch plain weave with 10K/10K waterproof/breathable 2

Chain compatibility: This is compatible for 5 to 11-speed chains

G-Form Pro-X3 Knee Guards - XS - Triple Matte Black PDP|Option Easy to install with clearThe G Form Pro X3 line is designed for every rider in mind, from beginners to veterans and anyone in between. G Form's industry leading SmartFlex protection is flexible as you ride, yet hardens on impact in the event of a crash. SmartFlex pads are fully waterproof, so machine wash them as needed. Featuring SmartFlex: Flexible As You Ride. Hardens on Impact. Body mapped, impact absorbing SmartFlex pads layered on top of a ventilated, soft inner foam