Peaty's Holeshot Fast Flow Tubeless Valves - Mango Size:42mm Customize your road bike with

Customize your road bike with our handy Shimano Di2 Road 12 Speed Groupset Builder and choose exactly what you need

weight and runtime

tools and a snack

Powerful modulation

to safe guard the rear

Peaty's Holeshot Fast Flow Tubeless Valves - Mango Size:42mm Customize your road bike withHoleshot 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