1. Why You’ll Love Them
Slide these crystal-clear strips between your tyre casing and inner tube and you’ve got an invisible 0.5 mm “shield” that blocks up to 95 % of thorn, glass and wire attacks without the weight or mess of sealant. Re-usable, trim-to-length and totally inert, they’re the simplest insurance policy you can buy for your wheels.
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2. Key Features
Feature Road 700 C MTB 29″
Width / Thickness 25 mm × 0.5 mm 40 mm × 0.5 mm
Length 2 080 mm 2 300 mm
Weight (pair) 64 g 76 – 80 g (38 g ea.)
Material Transparent thermoplastic polyurethane (TPU/PU blend) Same
Operating pressure 80–120 psi 25–60 psi
Temp. range -30 °C to +70 °C idem
Re-usability 5–10 tyre swaps idem
Extra Tech
Bevel-cut edges prevent tube chafing.
Micro-textured inner face locks against the tube so nothing slips under braking.
Chemically inert—safe with butyl, latex and the new seven-layer ContiTPU inner tubes.
3. Installation in 90 Seconds
1. Deflate & pop one bead.
2. Feed liner along the inside of the tyre, printed side toward the tube.
3. Overlap & trim 2–3 cm.
4. Re-seat, inflate, ride.
Pro tip: Add fresh rim tape first—TPU tubes love a smooth bed and will thank you with even fewer flats.
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4. Real-World Feedback
★★★★☆ 4.5/5 (287 reviews) – riders on Joom report “zero goat-head flats all season”.
★★★☆☆ 3.6/5 (REI RhindoDillos) – praise for protection but “install carefully to avoid a lump at the overlap.”
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5. Future-Proofed
With road cycling trending toward tubeless and super-light TPU tubes, these liners give you a hybrid option: near-tubeless puncture security without committing to sealant or new rims. They pair perfectly with 30 g TPU tubes that Cycling Weekly calls “a great alternative to latex” for both speed and durability.
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6. What You Get
2 × liners (pre-rolled)
2 × re-use bands
Quick-start guide
Warranty: 12 month / 10 000 km against material failure.
