e*thirteen Helix Race Alloy e*spec Crank Arm Set - DUB 12mm Offset 160mm Self Extractor BLK MFPN=CS25-SR1212 60 Tire Diameter/ISO 29/622 Tubeless

60 Tire Diameter/ISO 29/622 Tubeless Technology Tubeless Ready

Two light levels and one flashing mode

It has barrel bosses at the dropouts and crown mid-blade thru-blade eyelets and triple bottle bosses on both fork legs

Reinforced sides

e*thirteen Helix Race Alloy e*spec Crank Arm Set - DUB 12mm Offset 160mm Self Extractor BLK MFPN=CS25-SR1212 60 Tire Diameter/ISO 29/622 TubelessA 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 Defined Color Black