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Bontrager Thorn-Resistant Schrader Valve Bicycle Tube

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Model 25259
An asymmetric tube with thick 4.1 mm rubber on the contact side to provide better flat protection.
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Flat less. Ride more.

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

Product details

  1. 4.1mm thickness (tread side)
  2. Asymmetric extrusion puts extra rubber along tyre sidewall and tread zones
  3. 100% inspected for guaranteed quality
  4. Purchase 20 tubes to receive a full case

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Specifications

Size 12" x 1.75-2.125", 35mm 16" x 1.5-1.75", 35mm 16" x 1.9-2.125", 30mm 20" x 1.5-1.75", 35mm 20" x 1.9-2.125", 35mm 24" x 1.5-1.75", 35mm 24" x 1.9-2.125", 35mm 26" x 1.5-1.75", 35mm 26" x 1.9-2.125", 35mm 29" x 2.0-2.4", 48mm 700C x 28-32mm, 35mm 700C x 35-44mm, 35mm
Diameter 12" 16" 16" 20" 20" 24" 24" 26" 26" 29" 700C 700C
Width 1.75-2.125" 1.5-1.75" 1.9-2.125" 1.5-1.75" 1.9-2.125" 1.5-1.75" 1.9-2.125" 1.5-1.75" 1.9-2.125" 2.0-2.4" 28-32 mm 35-44 mm
Length 35mm 35mm 30 mm 35mm 35mm 35mm 35mm 35mm 35mm 48 mm 35mm 35mm
Valve Schrader Schrader Schrader Schrader Schrader Schrader Schrader Schrader Schrader Schrader Schrader Schrader
ETRTO 44/54-203 38-305 48/54-305 38/44-406 48/54-406 38/44-507 48/54-507 40/47-559 50/57-559 51/61-622 28/32-622 35/44-622
Weight 235g 260g 350g 330g 455g 395g 560g 445g 615g 743g 380g 420g

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