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E-Thirteen Helix Race E-Spec Alloy Bosch Gen4 Crank with Self Extractor

E-Thirteen Helix Race E-Spec Alloy Bosch Gen4 Crank with Self Extractor

by E-Thirteen

£159.99
GTIN04711280341030
EAN4711280341030
MPNCS4EAA-100
Prices updated 17 Mar 2026

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Product Description

High Performance. Confidence On Any Terrain.Helix Race e*spec Alloy Cranks offer a high performance alternative to carbon fiber for riders that prefer alloy or don’t want to pay for carbon to get a premium product. Forged and extensively CNC finished, the Helix Race e*spec Crank is a piece of machining art to personalize your fit and dream e-bike build.These cranks are a serious upgrade that will increase strength and pedal strike resistance while reducing your bike’s weight. Available in eMTB rider-preferred lengths for improved pedal clearance on low BB frame geos. Equipped with built-in alloy self extracting crank bolts for ease of installation and removal when it’s time to service.Compatible with Bosch, Brose S Mag, TQ, Fazua*, Yamaha, Maxon and Specialized® Brose motor systems using the 24mm ISIS standard. They feature narrow offsets for traditional MTB Q Factor feel while offering enough clearance for motors andchainstays.Don’t let the light weight fool you. The Helix Race e*spec Alloy Cranks are tested to exceed E-Enduro EN17406 Class 4 standards and come equipped with custom crank boots for heavy hitting, impact resistant confidence on any terrain.Specification:Chainring: Helix Race E*spec Chainring (sold separately)Colour: Black, BronzeCompatibility: Compatible with Bosch, Brose S Mag, TQ, Fazua*, Yamaha, Maxon and Specialized® Brose motor systems. Not compatible with Fazua Ride 60Included: Crankset, Crank Boots (x2), Sticker, User ManualLength: 155mm, 160mm, 165mmMaterial: Forged, CNC Machined AL-6066-T6 armsSpindle: Compatible with 24mm ISIS SpindlesWeight: 155mm: 413g, 160mm: 431g, 165mm: 433g

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