Tioga Power Block OS20 Tire style:Wire Cast alloy platform with reinforcements

Cast alloy platform with reinforcements to prevent breakage

66 ounces w/all hardware

gives you just the barend

Works with many EVS roost protectors

Tioga Power Block OS20 Tire style:Wire Cast alloy platform with reinforcements20" IS FAST OS20 is FAST2! What is OS20 PowerBlock? OS20 is NOT 22". OS20 is 20", but bigger. There are two wheel sizes under the 20" category the 20" on Jr mini bikes uses the 451mm diameter wheel in narrow widths (for 20 1 8" & 20 3 8" tires), and the conventional 20" which uses the smaller 406mm diameter wheel but in wider widths. OS20 is 451mm wheel diameter in widths similar to 406mm wheels. OS20 tires are not compatible with Jr Mini sized rims;