Giant Surelock Flex Combo Coil 15 29 inch The reengineered Propel Advanced SL

The reengineered Propel Advanced SL cuts through wind and maximizes watts

The GX Eagle chain is designed with SRAM's Eagle geometry

INTEGRATED MIPS BRAIN PROTECTION SYSTEM - All Giro helmets are designed to reduce as much energy as possible while meeting and exceeding stringent safety standards

And its wide-ranging adjustability makes it quick and easy to dial in over 1

Wide bearing placement for stable

Giant Surelock Flex Combo Coil 15 29 inch The reengineered Propel Advanced SLSurelock Flex Key 15 is a tough, flexible coil lock featuring X2p Double bolt locking mechanism, a quick release mounting bracket with 2 standard and 1 LED key.