We're now bringing our World Cup proven technology to the eBike marketplace, with our e*spec Race Carbon Cranks.In contrast to our Gen3 carbon cranks, the Q Factor, overall profile, and volume of our Gen4 cranks has been greatly reduced. e*spec cranks have an 8mm self-extractor built in to both arms for easy removal.FEATURES: World Cup proven layup. Slim Q Factor, overall profile, and volume. 8mm self-extractor in each arm.MATERIAL: World-Cup DH-rated layup and construction, compacted carbon fiber, with additional 3k added to front and rear faces of crank for impact resistance.Scope of Delivery: Crankset, APS Adjuster, Installation Tools, Crank Boots (x2), Sticker & User Manual.