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e*spec Race Carbon Cranks - Gen4

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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.

Available for Bosch Gen4 CX and Brose S Mag drive systems.

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Product Spec

Stealth Black w/Protective Vinyl
Bosch CX Gen4 or Brose S Mag motor systems
World Cup proven layup. Slim Q Factor, overall profile, and volume. 8mm self-extractor in each arm.
Crankset, APS Adjuster, Installation Tools, Crank Boots (x2), Sticker, User Manual
160mm, 165mm, 170mm
World-Cup DH-rated layup and construction, compacted carbon fiber, with additional 3k added to front and rear faces of crank for impact resistance
Self Extractor
INTERFACE: Bosch CX Gen4 or Brose S Mag
160mm: 322g
165mm: 328g
170mm: 335g

Tech Info

User manual
Frequently Asked Questions

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase