Vee tire & rubber ZigZag 20x4.0 Standard Tire CheckoutSpec= 31.8mm x 70mm Black XG-1275 features 10-52t range

Black XG-1275 features 10-52t range and full X-SYNC technology for best inboard and outboard shifting performance under load

hard-packed dirt roads and light gravel use

Gear 1 - 100% Direct Drive Gear 2 - 138%

}SRAM Red eTap Rear Derailleur B-Bolt and B-Screw

They also work great on SRAM direct mount cranksets

Vee tire & rubber ZigZag 20x4.0 Standard Tire CheckoutSpec= 31.8mm x 70mm Black XG-1275 features 10-52t rangeSmooth tread with zig zag pattern reminiscent of vintage auto and motorcycle racing tires. Classic look for cruisers cafe racers bobbers and beach cruisers TECH SPECS Type Standard Size 20x4. 0 ISO 406 Bead Wire Tread Sidewall Color Bk Wht PSI 30 Weight (Grams) 1785 TPI 26 Durometer Features OR EBIKE50 Reflective Sidewall No