Orange Seal Mountain Tubeless Kit 5039-423
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Orange Seal Mountain Tubeless Kit

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Order online, get it at your local MEC. It couldn’t be easier.

Rocksolid Guarantee

Shop with confidence. If it’s not working out, you can return it (consumables, undergarments and swimwear excluded).

Really. If it's not up to snuff after you use it (a couple times) you can still bring it back.

It lasts longer than 30 days, but not forever. We'll be fair about it.

Price match guarantee

Found a better deal in Canada? Up to 30 days after purchase – we’ll match it.

If you see a lower price for this exact item advertised online, in print or in a store, give us a call at 1 (888) 847-0770.

If it’s identical, brand-new, in stock, and sold and shipped by a Canadian-based retailer, we’ll match that price.


Show Description

This kit contains all the fixings you’ll need to convert a pair of tubeless-ready MTB rims. The biodegradable sealant is a blend of fast-setting latex and variously sized particles that dams punctures up to ¼in. quickly and effectively.

  • Made of biodegradable ingredients.
  • Includes 24mm rim tape, valve core tool and 2, 48mm RVC valve stems.
  • 226ml bottle of sealant has an injector cap and hose.
  • Each half-bottle of sealant adds less than 120g of weight to a wheel.
  • Maintains performance at extreme temperatures and altitudes.

Tech specs

Show Tech specs
Ideal for Mountain biking
Made in USA