Michelin A4 Airstop 29" Tube

Michelin's A4 Airstop Tube is ideal for training and recreational riding. Available in size 29" x 1.9" - 2.1" (48/54-622 ISO), with a 40 mm threaded Presta valve stem. 230 g.

Note: If your rims are designed for Schrader valves (like on a car tire), you can use "Presta Stem Savers"—metal sleeves that fit over Presta valves to provide a snug fit in Schrader-sized valve holes.

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%.