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Bontrager Thorn-Resistant Presta Valve Bicycle Tube

Bontrager Thorn-Resistant Presta Valve Bicycle Tube
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Details

Protect yourself from flats with Bontrager Thorn-Resistant tubes. Asymmetric design uses thicker rubber on the tread side and thinner rubber elsewhere, which saves weight while maximizing puncture protection.

Product details
- 4.1mm thickness (tread side)
- Asymmetric extrusion puts extra rubber along tire sidewall and tread zones
- 100% inspected for guaranteed quality

27-inch tire size equivalents
- 700c x 22 – 25 also fits 27 x 7/8 – 1
- 700c x 28 – 32 also fits 27 x 1-1/8 – 1-1/4
- 700c x 35 – 44 also fits 27 x 1-3/8 – 1-3/4

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