Sram Rival GXP 172.5mm 52/36T Crankset bags External Cup (EC) — 16mm

External Cup (EC) — 16mm top

Riders want the derailleur to do its job shifting on command

For the 40th anniversary since its launch in 1982

Adjustable Air Pressure: Riders can recharge and adjust air pressure through a shrader valve under the seat clamps

USB rechargeable

Sram Rival GXP 172.5mm 52/36T Crankset bags External Cup (EC) — 16mmThe SRAM Rival 22 groupset delivers immense performance across a broad variety of bikes and disciplines. Paved or not. Cyclocross or triathlon. Road racing or unchartered journeys. Rival 22 provides the tools and technology to meet each challenge and expand your limits. Technologies BB30 Besides serious weight savings, this bottom bracket means narrow Q factor, more ankle clearance, greater bearing durability, and stronger crank construction. GXP