Race Face Aeffect R ETOR e-Bike Crankarms - OE Packaged Have a positive Aeffect The Race Face Aeffect R e-Bike Crankarms are rugged performers, the ideal upgrade for your ETOR-equipped e-bike. The Aeffect R cranks are designed with the toughness to handle aggressive riding, for durable performance without adding excess weight. These Aeffect R e-MTB Crankarms come in three lengths, better accommodating shorter riders and offering improved obstacle clearance to avoid pedal strikes. Pairing rugged durability and seamless Bosch Gen 4 integration, while being some of the lightest alloy e-bike cranks on the market, the Aeffect R e-MTB Crankarms are a worthy upgrade for any bike. Features OE Packaged does not ship in Race Face-branded packaging Optimized for ETOR-equipped e-bikes for a seamless interface with your preferred e-bike motor system Tough and durable for more aggressive riding all without unnecessary weight Some of the lightest alloy e-MTB cranks available coming in at a feathery 485g SPECIFICATIONSChain Ring N/ACrank/Motor Compatibility ETORMaterial7050 Aluminum Bolt Center Diameter (BCD)Direct Mount Bottom Bracket Included No Intended Usee-MTBWeight485 grams | Race Face | Aeffect R Etor E-Bike Crankarms - Oe Packaged 165Mm, Etor Spline (Fazua Ride 60, Mahle M40, Maxxon Air-S) | Aluminum