e*thirteen Helix Race Alloy e*spec Crank Arm Set – BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 155mm, with Self Extractor, Black
$219.95
A high-performance, weight-optimized alternative to carbon fiber, for riders who prefer alloy cranks.
These 24mm ISIS interface cranks are engineered for compatibility with Bosch Gen 4, Brose S Mag, TQ HPR 50, Fazua, Yamaha, Maxon, and Specialized Brose motor systems.
They come in short lengths starting at 155mm for improved pedal clearance and are tested to E-Enduro standards.
Out of stock
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®, Sram® motor systems using the 24mm ISIS standard. They feature narrow offsets for traditional MTB Q Factor feel while offering enough clearance for motors and
chainstays.
- Color: Black
- Crank Length (mm): 155
- Pedal Spindle: 9/16″
- Spindle Interface Type: ISIS
- Designed for ebike: Yes
- Defined Color: Black
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