Silca 'Hiro' Side-Lever Locking Presta Chuck
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Questions about this product?
Silca 'Hiro' Side-Lever Locking Presta Chuck
Silca 'Hiro' Side-Lever Locking Presta Chuck Info
The Silca 'Hiro' Side-Lever Locking Presta Chuck solves one of the most frustrating moments in cycling maintenance — the fumbled, leaking chuck that costs you air before you've even started riding. Threaded directly into a standard Schrader chuck fitting, it converts your existing pump to handle Presta valves with a secure, side-lever locking mechanism that seats firmly and holds pressure. Full metal construction means it's built to outlast the plastic alternatives that tend to crack or strip with regular use.
Where it earns its keep is on the valves that give other chucks trouble. It seals on valves as short as 10mm — including deep-section disc wheels and aero rims where only a sliver of valve is accessible. You lock it in place with the lever rather than relying on friction alone, which means a consistent seal every time regardless of valve depth or angle.
Silca 'Hiro' Side-Lever Locking Presta Chuck Specs at a Glance
- Compatibility: Presta valves; threads into Schrader chuck fitting
- Minimum valve engagement: 10mm
- Locking mechanism: Side-lever lock
- Construction: Full metal
- Use cases: Short valves, disc wheels, deep-section aero rims
