Stan's Tubeless Kit - Road - 21mm

This kit includes everything you need to replace the inner tubes in your tubeless ready rims and tires with genuine Stan’s sealant--the original, and still the best tubeless tire sealant. All Road and Gravel Bike Tubeless Kits include 118ml of sealant, 55mm brass valves, and Stan’s Yellow Tape. Kits are offered in different tape widths to fit a variety of rims. If you're unsure whether your rims are tubeless ready, look for graphics that mention it directly on the wheel or contact the manufacturer for details. Do not attempt to use a tubeless system on wheels that are not explicitly tubeless compatible.