Author AT-MTB-29 Bicycle Inner Tube, Presta 40mm Valve, 29 x 1.95/2.35 inch

Flats are an unavoidable part of mountain biking, and being stuck on the trail with a shredded tube is never pleasant. The Author AT-MTB-29 inner tube is a dependable spare that gets you back to the bike park or into the woods without a lengthy detour. Engineered for 29-inch wheels and tyres between 1.95 and 2.35 inches wide, this tube slots into a wide range of modern MTBs.

Who is it for

This tube is intended for mountain bikers, enduro riders, and trail enthusiasts riding 29er wheel setups. It also suits commuting or touring bikes that use the same 622mm rim bead diameter and comparable tyre widths.

Main features

• Butyl rubber construction for good air retention and resistance to abrasion.
• Presta valve (40mm) fits deep-section rims and is compatible with standard pump heads.
• Removable valve core makes sealant injection and pressure adjustments easy.
• Wide tyre width range covers 1.95 to 2.35 inches – versatile for trail and cross-country conditions.
• Designed for 29-inch wheels (ETRTO 622mm) – a direct replacement for OEM tubes.

Specifications

• Brand: Author
• Model: AT-MTB-29
• MPN: AT-MTB-29
• EAN: 8590816036314
• Compatibility: 29 inch / 622mm rim diameter
• Tyre width range: 1.95 - 2.35 inches
• Valve type: Presta (FV)
• Valve length: 40 mm
• Valve core: Removable
• Material: Butyl rubber
• Colour: Black
• Quantity: 1 tube per pack

Tips

Always carry a spare tube and a tyre lever in your pack. Check that the tube size matches your tyre’s sidewall markings before installation. If you run tubeless, keep a tube as a backup for emergencies. After fitting, inflate to the recommended pressure recommended by your tyre and rim manufacturer.