Mountain bike rims are diverse, to say the least. From materials, to cross sections, to widths, there are many options. Orange Seal's Valve Stem is designed to accommodate this wide range with its tapered base and oversized oval flap, which ensures an airtight seal and prevents pull through. Orange Seal's Presta Valve Stem comes in three lengths 48mm, 60mm, and 80mm and has a removable core, so adding fresh sealant is a mess free job.
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