Tioga PowerBlock OS 20x1.85 Standard Tire CheckoutSpec= M6x30.0mm Slick-galvanized cable for smooth operation

Slick-galvanized cable for smooth operation Double or Triple Triple Rear Der/Shifter Compatibility Shimano Mountain Drivetrain Speeds 8 Front Der/Shifter Compatibility Shimano Mountain Shifter Style Trigger Weight 285

Built to withstand the rigors of everyday shop use the PRS-2

Large surface contact area of ratchet provide improved durability and reliability

If you're planning to customize and aerodynamically optimize your road bike on your own the A 510 is the right choice for you

Tioga PowerBlock OS 20x1.85 Standard Tire CheckoutSpec= M6x30.0mm Slick-galvanized cable for smooth operationThe OS version of the Powerblock is available with a 1. 85 or 1. 6 width but fits the larger 451 diamter rim check frame clearance before ordering. BMX tire with low rolling resistance and durable long lasting compound. Efficiently transfer pedal power and other rider inputs into lateral motion. UTC Rubber (Ultimate Traction Compound) TECH SPECS Type Standard Size 20x1. 85 ISO 451 Bead Wire Tread Sidewall Color Bk Blk PSI 65 Weight (Grams) 350 TPI 60