Madison Bicycle Parts Alloy Presta Tubeless Valve Stems are designed from expert mechanic experience. The base is larger than most stems to accommodate a wide variety of rim designs. Our stems also feature two bases that will end up fitting almost all bicycle rims on the market. The stem, nut, and cap are all made of aluminum. They are tried and tested to be top quality. They are lightweight due to their alloy construction and very sturdy. The stems have removable valve cores for ease of use injecting sealant. (Length Size: 40mm). Available in Black or Red color. Look for our other listing to find the red color.

• Removeable valve cores (RVC) for ease of use of sealant injection
• Tapered, over-sized base eases set up of a tubeless tires
• Aluminum alloy valve caps
• Uniquely designed base helps to prevent the valve stem from pulling through the rim hole, accommodating a large variety of rim designs
• Each stem includes a lock nut, cap, a rubber O-ring, and two rubber adapters (one for trough style rims and one for regular rims).
• Weight: 6.2 grams per valve stem.
• Length: 40mm