Peaty's Holeshot Fast Flow Tubeless Valves - Bourbon Size:42mm A ratchet dial ensures a

A ratchet dial ensures a snug fit under the saddle

Colours: Black Lava

Fits 12-notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 50–53 mm and a minor diameter (inside of notches) of 48

External width: 26

The velcro straps that can be cut to size make mounting a breeze as well

Peaty's Holeshot Fast Flow Tubeless Valves - Bourbon Size:42mm A ratchet dial ensures aHoleshot Fast Flow Valves deliver approximately 200% greater airflow than our Mk2 Presta valve, while maintaining an air tight, fail safe design that reduces the risk of damage during use. Key Product Features 200% more FLOW than a MK2 Presta Valve No sealant clog Fully tyre insert compatible Fully serviceable with no throw away parts Internal and external anodising to reduce clog Air tight fail safe valve mechanism located inside the rim Micro