Muc-Off Big Bore Lite Tubeless Valve Stems - Medium 35mm Iridescent Spacing/Axle-1/2` (12mm) grey piston SRAM Model ID:

grey piston SRAM Model ID: FS-UPK-PIKD-A1

Fits on most adult and children's bicycle (12'' to 20'') Attaches onto child's bike in no time The telescopic folding bar is discretely stored on one side of bike when not in use Easy and pleasant to use

The revamped axle system offers even greater bearing life and a wider body improves stability

PowerSpline bottom bracket sold separately

Muc-Off Big Bore Lite Tubeless Valve Stems - Medium 35mm Iridescent Spacing/Axle-1/2` (12mm) grey piston SRAM Model ID:Say goodbye to the hassle of traditional tubeless valves that clog up and require valve cores to be removed to fill sealant with sufficient air flow during set up. Big Bore Valves are engineered with precision and designed to deliver maximum air inflation simply and efficiently. Crafted from 7075 aircraft grade CNC machined aluminum construction with a stainless steel ball valve this fully serviceable valve is built to withstand the toughest rides