Tioga PowerBlock S-Spec 20x1.75 Standard Tire CheckoutSpec= 30.9/31.6 x 150mm model Helm MKII description air

model Helm MKII description air spring rebuild kit for100 hour service

Intended for hardpack to fine loose terrain

Madshus Redline 1

Classic high-flange track hubs have cog thread of 1

Tioga PowerBlock S-Spec 20x1.75 Standard Tire CheckoutSpec= 30.9/31.6 x 150mm model Helm MKII description airLightweight race tire with low profile directional side lugs for excellent cornering on hard pack surfaces. Smooth center tread for less rolling resistance and a Cyclex 120tpi casing with Kevlar bead to help save weight TECH SPECS Type Standard Size 20x1. 75 ISO 406 Bead Fold Belted Tread Sidewall Color Bk Blk PSI 65 Weight (Grams) 285 TPI 120 Durometer Features Reflective Sidewall No