SRAM Rival GXP Double Chainset 53 / 39T - 170mm or 175mm Gender_Men Aero style blades

Aero style blades

Forged 2-piece Aluminium

whilst giving the same aero advantage

Where most 'aero' wheels in this category have 30mm deep rims

more-aggressive position with super-stiff and stable front-end handling

SRAM Rival GXP Double Chainset 53 / 39T - 170mm or 175mm Gender_Men Aero style bladesSRAM Rival GXP Double Chainset 53 39T 170mm or 175mm Open Core Technology sounds like something you would find on a spaceship, well SRAM are not far off producing something just as state of the art with their SRAM Rival Crankset (inc GXP cups) 53 39. A crankset that balances weight with stiffness. The Open Core Technology (OCT), compared to conventional solid core aluminium cranksets, is both lighter and stronger. A standard chainring setup features a