Silca Hiro V3 Carbon Steel Side Lever Locking Disc Chuck Tubes The SRAM PC-1071 is SRAM's

The SRAM PC-1071 is SRAM's race-quality 10-speed chain

wide-range

The gold finish makes it easy to find at the bottom of a saddle bag when seconds count

eliminating flex and maximizing structural integrity under attack

even when a seatpost installation is not an option

Silca Hiro V3 Carbon Steel Side Lever Locking Disc Chuck Tubes The SRAM PC-1071 is SRAM'sWhat sets the SILCA Hiro locking chuck apart from a press on chuck? The SILCA Hiro is a carbon steel side lever locking Presta chuck that attaches to your pump hose and locks onto any Presta valve from any angle with one hand. The side lever mechanism clamps the chuck to the valve stem mechanically rather than relying on friction, so the connection holds under high pressure without hand effort and releases cleanly without a pressure drop. A rotating