(1) 3mm Hex Wrench

It adapts quickly and easily to your saddle rails and seat post with reinforced Velcro straps

Laugh in the face of cold weather

SRAM has created a simple bottom bracket solution that provides better drivetrain performance

you can dial in your fit with the ability to cut it down to 740mm for a wide variety of uses

Lezyne GPS Heart Rate Flow Sensor And Strap - Black Ignore Wholesale Tier 1 Brand Rule (1) 3mm Hex WrenchA high performance, comfortable heart rate monitor. High performance, comfortable heart rate monitor. Conforms 100% to Bluetooth Smart standards for max compatibility. Durable, lightweight polycarbonate construction with translucent body and LED indicator. Flexible strap made from athletic materials. Replaceable CR2032 coin cell battery optimised for long lasting use. SpecsWEIGHT: 47gCOLOUR: Black