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5" 9QR ALUM STR 1 1/8 42 OFFSET SOLO AIR (INCLUDES
Versatile Spline mount for chainring or spiderless chainrings
With weights starting at just 310g
In-mould construction
Height: 68 cm
E*thirteen Helix Core e*spec Crank for Bosch/Brose/TQ - Black Size:170mm 5" 9QR ALUM STR 1Helix Core e*spec Crank 155mm BOSCH Gen4 Brose S Mag TQ HPR50 with Self Extractor Black Helix Core e*spec cranks deliver an e bike drivetrain upgrade with high end integrity and aesthetics at an extreme value. Engineered for e MTB strength, so you dont need to worry about pedal strikes or holding back on your next gravity run. Forged 6066 T6 aluminum crank arms keep you confident while the alloy self extractor system keeps routine service tasks
