e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK MFPN=803-04-185 }Park Tool BBT-9 Fits Shimano

}Park Tool BBT-9 Fits Shimano Hollowtech II Bottom Bracket Cups

The Back-Roller Pro Plus is the XL version of the popular Back-Roller Plus touring bag

Wide 47mm chainline Rings 46/29 Number of Chainrings Double Drivetrain Speeds 9 Chainring BCD 80 Color Black Crank Length (mm) 175 Crank Intended Use Road BB Included No Pedal Spindle 9/16" Spindle Interface Type Square Taper JIS Defined Color Black Size 175Mm Chainrings 46/29T

Composite performance with practical range

Model Lower

e*thirteen Helix Race Alloy e*spec Crank Arm Set - BOSCH SX-Brose S Mag-TQ HPR50 21.5mm Offset 165mm Self Extractor BLK MFPN=803-04-185 }Park Tool BBT-9 Fits ShimanoA 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 Black Crank Length (mm) 165 Pedal Spindle 9 16" Spindle Interface Type ISIS