Continental quality in a 20-inch standard weight butyl tube.
- Fits 20" x 1 1/4 - 1.75 (32/47-406/451) and 20" x 1.9-2.5 (48/63-406)
- 34mm Schrader Valve
- 120/140 grams
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.
Articles will open in new tab.
A guide to bicycle tire sizes, both standard on newer bikes and common on older bikes.
Understanding older bicycle tire sizes.
A useful chart for determining the tire size you need for your bicycle.
Tips for proper bicycle tire mounting and tire safety.
A guide to understanding tire width.
A guide to understanding bicycle tire tread patterns and what you should look for.
Understanding bicycle tube valve types, materials, and sizing.