A 27.5" (650B) bicycle inner tube designed for tyres 2.0"–2.3" wide, featuring a 33 mm Presta valve. Constructed from 1 mm thick butyl rubber and supplied in black, it includes a valve cap and rim locking nut. Suitable for MTB, hybrid, commuter, trail, XC, and urban use, it offers reliable air retention and durability across a range of riding conditions.

Features

• Fits 27.5" (650B) rims

• Suits tyre widths 2.0"–2.3"

• Presta (French) valve with 33 mm stem

• Valve cap and rim locking nut included

• 1 mm butyl rubber for dependable air retention

• Black colour

Specifications

• Material: Butyl rubber

• Tube wall thickness: 1 mm

• Valve type: Presta (FV)

• Valve length: 33 mm

• Wheel size: 27.5" (650B)

Notes

• Check that 33 mm valve length clears your rim depth; use a valve extender if needed.

• Compatible with MTB, push bike, and hybrid/commuter setups.