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e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver
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e*thirteen

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver

MPN: CS4HAA-110 · UPC: 4711280343782

$219.95
Low Stock — 3 left (Warehouse)
📦 Ships from Warehouse — 4-9 Business Days
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Select Option: e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver
1
🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895
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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.

Color Silver
Crank Length (mm) 165
Pedal Spindle 9/16"
Spindle Interface Type ISIS
Designed for ebike Yes
Defined Color Silver
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e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50, 21.5mm Offset, 165mm, with Self Extractor, Silver
$219.95
Low Stock — 3 left (Warehouse)