Ethirteen now brings our World Cup-proven technology to the e-bike market, with our espec Race Carbon cranks.Unlike Gen3 carbon cranks, the Q-factor, overall profile and volume of our Gen4 cranks have been dramatically reduced.Espec cranks have an 8 mm self-extractor integrated into both arms for easy removal.Available for Bosch Gen4 CX, Brose S Mag Drive, Fazua Ride 50 and Shimano EP8 and E8000 systems.Details : Espec direct-mount chainring available. Compatible with Bosch CX Gen4 or Brose S Mag Drive systems World Cup-proven layout. Slim Q-factor, overall profile and volume. 8 mm self-extractor in each arm. Supplied with, Crankset, APS Adjuster, Installation tools, Crank bellows (x2), Sticker, User's manual World Cup DH-level carbon material, construction and composition, with additional 3k added to front and rear crank faces for shock resistance Interface, Bosch CX Gen4 or Brose S Mag Weight, 165 mm, 391 g, 170 mm, 397 g
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