Aeron TPU

ExtraLite Protect TPU Tube, 27.5/29x1.7-2.5", 42mm PV

Aeron TPU ExtraLite Protect is a lightweight TPU mountain bike inner tube designed for riders who want a faster-feeling wheel and a more packable spare. Built for 27.5" and 29" tires in the 1.7–2.5" range, it pairs compact storage with low rolling resistance and strong everyday durability for trail and XC use.

• TPU construction - Delivers low weight with puncture resistance suited to demanding off-road riding
• ExtraLite Protect design - Extra light and extra strong for riders prioritizing efficiency without going fragile
• Low rolling resistance - Helps reduce drag for a quicker, more responsive ride feel
• Compact spare - Packs down small, making it easier to carry a backup tube on rides
• Up to 80% lighter than butyl - Significant weight savings versus comparable butyl tubes
• 27.5/29 x 1.7–2.5 compatibility + 42mm Presta valve - Broad MTB fit range with a valve length that works well with most modern rims