ethirteen are bringing their World Cup proven technology to the espec Plus Alloy Cranks.

Slimmer than their Gen3 Alloy cranks, the Q Factor, overall profile, and volume of ethirteen’s Gen4 cranks have been greatly reduced. Suitable for Bosch Gen4 CX drive systems.


Chainring espec Direct Mount Chainring available
Colour Stealth Black
Compatibility Bosch CX Gen4 motor systems
Features Slim Q factor, low overall profile and volume
Included Crankset, Sticker, User Manual
Length 160mm
Material 6061 Aluminium
Mount Bosch CX Gen4 or Brose S Mag
Self Extractor No
Spindle Interface Bosch CX Gen4 or Brose S Mag
Weight 160mm 422g

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