Tires/Tubes

The industry standard comes in all sizes Premium-quality Bontrager Standard butyl rubber tubes feature a 0.9mm wall thickness for the perfect balance of weight savings and durability. - 0.9mm wall thickness - Equipped with removable valve cores - 100% inspected for guaranteed quality - Best value 27-inch tire size equivalents - 700c x 28 – 32 also fits 27 x 1-1/8 – 1-1/4 - 700c x 35 – 44 also fits 27 x 1-3/8 – 1-3/4

- Standard 1mm tube thickness - Presta valve

- Valve type: Schrader - Valve core: Removable - Butyl rubber - Wall thickness: 0.9mm

- Valve Type: Presta - Valve Stem: Smooth - Valve Core: Non-Removable - Flat Fold Width: 44mm (1.75-2.10), 78mm (3.0-3.50) - Wall Thickness: 0.9mm

- Butyl rubber - Removable valve core - Schrader valve - Wall thickness: 0.9mm

- Butyl rubber - Economy tube - Removable valve core - Wall thickness: 0.9mm

- Valve Type: Schrader - Valve Core: Removable - Butyl rubber - Wall Thickness: 0.9mm

- Butyl rubber - Schrader valve - Valve core: Removable - Wall thickness: 0.9mm

- ISO Diameter: 622 / road / 29" - ISO Width: 48mm, 49mm, 50mm, 51mm, 52mm, 53mm, 54mm - Size: 29 x 1.9-2.3 - Tube Compound: Butyl - Valve: Long Schrader - Valve Core: Removable - Valve Shaft: Smooth

- ISO Diameter: 622 / road / 29" - Tube Compound: Butyl - Valve: Standard Schrader - Valve Core: Removable - Valve Length: Schrader - Valve Shaft: Smooth - Weight: 110g (23-25mm), 128g (28-32mm), 144g (35-43mm), 160g (40-45mm)

Your kids will hang with the big dogs on this cross country tire. The XR1 Comp Kids' Mountain Tire has a tread identical to that of its fully-grown adult version, perfect for multi-purpose riding on trails or pavement. - Excels in hardpack and loamy conditions - Ramp center knobs for fast rolling - Fast-rolling and predictable cornering - 60 TPI - Maximum pressure: 50psi - Wire bead - Weight: 485g