G-Form Pro-X3 Youth Knee Guards - Black Small/Medium Fits Brand-Stevens tire size 700c tire width

tire size 700c tire width 32-47mm valve Presta length 48mm (threaded)

TechLiner - State-of-the-art TLR casing technology with an inner rubber layer for maximum pressure retention

and mobility

Fat bikes: If your fat bike has a 170/177 rear hub spacing

New Zoom Pro retention system

G-Form Pro-X3 Youth Knee Guards - Black Small/Medium Fits Brand-Stevens tire size 700c tire widthBody mapped, impact absorbing SmartFlex pads layered on top of a ventilated, soft inner foam layer allowing for maximum protection, comfort and breathability SmartFlex pads offer form fitting and lightweight protection that is flexible as you ride and hardens on impact Moisture wicking, UPF 50+ fabric Machine washable Compression sleeves with grippers at the top and bottom to keep guards in place CE 15613 impact with 1621 coverage TECH SPECS Size SM