e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 155mm Self Extractor BLK Defined Color List-Black 5 Battery Power (Wh) 500

5 Battery Power (Wh) 500 Wh Removable Battery Yes Charger Included Yes Walk Assist Yes Battery Li-ion Max Motor Assist (Percent) 600W Lights Included No

Axle to Crown Length 505 Brake Type Post Mount 160 Color Gloss Black Crown Race 30 Defined Color Black External Adjustments Low Speed Compression Damping External Adjustments Lockout Threshold External Adjustments Rebound Damping Front Axle QR x 100mm Lockout Switch Crown Maximum Tire Width 62 Negative Spring Air Offset 51 Positive Spring Air S

}Shimano Dura-Ace FC-R9200 12-Speed Chainring - 54t Asymmetric 110 BCD Black NJ

Available in 24oz and 20oz

240 Dicut aero hub with redesigned flanges and 36t Ratchet EXP system

e*thirteen Helix Race Alloy e*spec Crank Arm Set - Specialized M30 SL1.1 14mm Offset 155mm Self Extractor BLK Defined Color List-Black 5 Battery Power (Wh) 500e*thirteen Helix Race Alloy e*spec Crank Arm Set for Specialized M30 SL1. 1 14mm Offset 155mm 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 clearance