More informationWe develop and test our products in the World Cup, and from here to our customers, this is what our e*spec Race Carbon cranks are like. The profile and volume of our Gen4 cranks has been reduced considerably, plus the e*spec cranks have an 8mm self-extractor integrated into both arms for easy removal.Available for Bosch Gen4 CX and Brose S Mag systems.E*spec direct mount chainring available (Boost chain line).Compatibility: Bosch CX Gen4 or Brose S Mag engine systemsIncludes: Crankset, APS adjuster, installation tools, connecting rods (x2), adhesive, user manual.Features:Made of compacted carbon fiber, with additional 3k reinforcements on the front faces and rear of the cranks for greater impact resistance.Color: Polished carbon with protective vinyl.Bosch CX Gen4 or Brose S Mag interfaceMeasurements Available: 160mm, 165mm, 170mm. Weight: 160mm: 322 gr, 165mm: 328 gr, 170mm: 335 gr.