e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK model-Enduro 3 5 BB/Frame Interface BB92 BB/Frame

5 BB/Frame Interface BB92 BB/Frame Interface BB107 BB/Frame Interface BB121 BB Shell Width (mm) 90 BB Shell Width (mm) 92 BB Shell Width (mm) 107 BB Shell Width (mm) 121 Weight 77 Spindle Interface Type RaceFace/Easton CINCH Spindle Interface Type 386 EVO Spindle Interface Type Rotor 3D+ Spindle Interface Type e*Thirteen P3 Connect Spindle Interface Type Zipp Vuma Defined Color Black

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Double or Triple DoubleDrivetrain Speeds 12Front Derailleur Clamp Braze-onFront Derailleur Cable Pull ElectronicFront Der/Shifter Compatibility Shimano Road Di2Max Ring (teeth) 48Front Derailleur Style TraditionalDerailleur Capacity 17

A compact cycling safety light built around two high-output LED emitters the Lezyne KTV Drive Front offers up to 200 lumens of output and an attention-grabbing Daytime Flash mode

The Rally Pouch features 4 storage areas to keep your items organized and accessible: a front pocket with a full-length hook and loop cover flap

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK model-Enduro 3 5 BB/Frame Interface BB92 BB/Framee*thirteen Helix Race Alloy e*spec Crank Arm Set BOSCH SX Brose S Mag TQ HPR50 21. 5mm Offset 165mm with Self Extractor Black. 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