Peaty's Holeshot Fast Flow Tubeless Valves - Mango Size:42mm and features adjustable leverage with

and features adjustable leverage with a 20% range of adjustment: Increasing leverage provides a lighter lever action and more lever travel

Rear Derailleur: Shimano CUES

Highest grade materials

145g (Narrow)

Stainless hardware

Peaty's Holeshot Fast Flow Tubeless Valves - Mango Size:42mm and features adjustable leverage 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