SRAM RED AXS Power Meter Crankset - 165mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4118.421.046 Shimano changed to this sometime

Shimano changed to this sometime in 2013

The 8-Bit Chainbreaker + Utility Knife Multi-Tool and the 8-Bit Tire Lever + Rim Dent Remover Multi-Tool join the 8-Bit Pack Pliers to begin the system

See installation instructions for recommendations on installing pins

and rubber textured handle for easy grip

Comfortable and warm

SRAM RED AXS Power Meter Crankset - 165mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4118.421.046 Shimano changed to this sometime29 g lighter than previous generation Power meter is fully integrated into the chainring for lighter weight Power readings are accurate within + 1. 5% and arent affected by climate conditions during a ride Measures right and left leg power balance X Range gearing technology gives you more range and a smoother gear progression, so youre always in the right gear Crisp and accurate front shifts DUB bottom bracket adds durability and simplicity SRAM Model