Peaty's Holeshot Fast Flow Tubeless Valves - Bourbon Propelenviliv27 The patented design optimizes bottle

The patented design optimizes bottle retention even in particularly harsh conditions and allows for extremely easy bottle insertion/extraction

Specialized

Sealed cartridge bearings resist contamination

Despite their race-focused performance

Fitting for derailleur: 10-speed

Peaty's Holeshot Fast Flow Tubeless Valves - Bourbon Propelenviliv27 The patented design optimizes bottleHoleshot 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