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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
the Alpenchallenge AL could only be a BMC
Single-Ply sidewall Flat Protection Tread Color Black Defined Color Black ISO Width (mm) 60 ISO Diameter 406 / 20" BMX Tire Intended Use BMX Tire Diameter 20" Tire Bead Wire Labeled Size 20 x 2
15° outward bend
6 Rim Width (Internal) 30 Tire Type Tubeless Ready Valve Presta Valve Length Short 32-40mm Weight 487 Wheel Size 27
2-bolt design
e*thirteen Helix Core e*spec Crankset - 170mm BOSCH CX Gen4/SX-Brose S Mag-TQ HPR50 26mm Offset BLK Wheel Mount Center Offset (mm)-0 the Alpenchallenge AL could onlyHelix Core e*spec cranks give your e bike an upgrade with high end integrity and aesthetics at a great value. Engineered for e MTB strength so you dont need to worry about pedal strikes or holding back on your next gravity run. Forged aluminum arms keep you confident on the trail while alloy self extracting crank bolts mean efficient routine service and minimum added weight. Added details like pedal washers molded impact boots and e rider preferred
