The Rolling Seal | KENDA Butyl Bicycle Inner Tubes 20 Inch to 700c

East Supplier PlatformSKU: 1005004587878383-26x1.5-1.75 AV 32L

Color: 26x1.5-1.75 AV 32L
価格:
$27.78

税込み 送料計算済み チェックアウト時

在庫:
残り4個

説明

A flat tire does not care how much you paid for the bike. It only cares about the tube, and the tube decides whether a ride ends at the summit or at the side of the road. The Rolling Seal is a KENDA butyl inner tube, built at 0.87 mm thickness with the compound consistency that has made KENDA a factory name in bicycle rubber for decades, and it is sold in pairs because flats travel in company.

The range covers the geometry of real riding: MTB and BMX sizes from 20 to 29 inches, road sizes from 700c x 23 to 43c, in both Schrader and Presta valve versions. Whether you are running a commuter with a frame pump, a gravel bike with CO2 cartridges, or a kids bike that gets ridden hard and parked outside, there is a valve and size combination that matches your wheelset without adapters or guesswork.

Butyl rubber holds air measurably longer than natural rubber, which means fewer top-ups between rides and fewer surprises on cold mornings. The 0.87 mm wall keeps the tube light enough for spirited riding while staying thick enough to resist the pinch flats that come from rough pavement and trail debris.

What you do not see in the spec sheet matters too: consistent wall thickness around the full circumference, cleanly molded valve stems that seat properly in the rim hole, and packaging that keeps the tube folded without creases that turn into weak points. These are the details that separate a tube that lasts two seasons from one that fails on the second ride, and they are the reason KENDA rubber has earned its place on bikes that have to be dependable.

You will not remember the tube on the rides it saves. That is exactly the point.

Key Features

  • ✦ KENDA butyl rubber compound for slow air loss and long-term reliability
  • ✦ 0.87 mm wall thickness balancing weight, puncture resistance, and ride feel
  • ✦ Covers MTB, BMX, and road: 20, 26, 27.5, 29 inch and 700c x 23-43c
  • ✦ Schrader (AV) and Presta (FV) valve options for every wheelset
  • ✦ Sold in 2-piece sets, because spare tubes belong in the bag
  • ✦ Factory-spec fit and finish from one of the industry's established rubber makers

Technical Specifications

  • Brand: KENDA
  • Material: Butyl rubber
  • Wall thickness: 0.87 mm
  • Valve types: Schrader (AV) / Presta (FV)
  • MTB / BMX sizes: 20 x 1.25-2.125, 26 x 1.5-2.125, 27.5, 29 x 1.90-2.30
  • Road sizes: 700c x 23 / 25 / 28 / 32 / 35 / 43c
  • Valve lengths: 32 mm, 48 mm, and 60 mm options
  • Applicable bikes: MTB, BMX, road, hybrid, commuter
  • Package: 1 tube per box, sold as 2 pieces
  • Origin: Mainland China

Who It Is For

The Rolling Seal is for every rider who has ever stood on a shoulder counting cars while holding a punctured tube: commuters on daily 20 km loops, gravel riders chasing dirt roads that end at gas stations, BMX riders who treat curbs as landings, and families maintaining a stable of bikes with different wheel sizes. Because the set covers multiple diameters and both valve standards, one order can refresh two bikes at once, and the spare that lives in your saddlebag is the one you will never regret carrying.

Frequently Asked Questions

Q: Which size do I need for my bike?

Check the sidewall of your tire for its size marking. MTB and BMX wheels take the 20, 26, 27.5, or 29 inch tubes; road wheels take 700c tubes in the width range printed on the tire.

Q: Schrader or Presta, how do I choose?

Match the valve to your rim. Schrader (AV) is the wider automotive-style valve found on most entry and kids bikes; Presta (FV) is the slender valve on most road and performance bikes.

Q: Why butyl instead of natural rubber?

Butyl rubber holds air significantly longer than natural rubber, meaning fewer top-ups between rides and more consistent tire pressure.

Q: Are these tubes pre-glued or patched?

No, they are brand-new, unpatched KENDA butyl tubes. Install them fresh and keep the old tube as an emergency spare.

Q: Will a 700c x 28 tube fit a 700c x 25 tire?

Yes. The 700c tubes are rated across a width range (23-43c), so one tube covers multiple tire widths within that span.

Q: Do you sell single tubes?

The listing is sold in 2-piece sets, which gives you one tube in the wheel and one in the bag, the way most riders actually need them.

Q: How do I store spare tubes?

Keep spare tubes in a cool, dry place away from direct sunlight and ozone sources. Folded tubes stored in a saddlebag or drawer stay fresh for years.

Customer Reviews

Customer Reviews

Based on 3 reviews
67%
(2)
33%
(1)
0%
(0)
0%
(0)
0%
(0)
M
Maya R.
Good value two-pack

Solid tubes, the thickness is reassuring compared to the paper-thin ones that came with my bike. Took a star off because sizing options can be confusing if you are not sure of your tire width, but measure the sidewall and you are fine.

H
Hiroshi T.
KENDA quality as expected

Used these on a family's worth of bikes, 20 inch for the kids and 700c for the road bikes. The valve stems seat properly and the butyl compound just holds air. Presta option was spot on for the road wheels.

E
Emma W.
No more weekly top-ups

Swapped my commuter to the 26x1.95 tubes and air pressure holds noticeably longer than the old rubber tubes. The 0.87mm wall gives good protection against pinch flats on rough pavement. Two in the pack means one spare is always ready.

Payment and Security

PayPal

お支払い情報は安全に処理されます。 クレジットカードの詳細を保存したり、クレジットカード情報にアクセスすることはありません

発送予定

You may also like

Recently Seen