Continental R28 Supersonic 700x20-25C Inner Tube 42mm Presta Valve
The Continental R28 Supersonic 700x20-25C Inner Tube with a 42mm Presta valve is a super lightweight option conceived to increase speed during target races and PB attempts. Made from butyl rubber, this tube offers rolling resistance that is nearly as low as latex inner tubes but is lighter and less porous. Weighing in at just 62 grams, this tube decreases the rotational weight of any 700c sized road or time trial bike wheels for heightened climbing performance and works perfectly with tyre widths ranging from 20mm to 25mm.
- A super light inner tube designed for target races and PB attempts
- Butyl construction is lighter and less porous than latex inner tubes
- Offers rolling resistance that is close to benchmark latex inner tubes
- Fits 700c tyres with a width of between 20mm to 25mm
- 42mm long Presta valve
- All tubes have a seamless construction, with mould-cured vulcanisation, to ensure uniform roundness
- Manufacturer claimed weight: 62 grams
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