XR4 Expert

Your go-to mountain bike tire for loose, rocky, rough trails -- wet or dry -- the XR4 Expert TLR mountain bike tire is designed to out-corner any XC tire on the market, with aggressive tread design, deep, lateral cupped blocks, long shoulder blocks and buttressed tread block edges. Tubeless ready for fewer flats, lower pressure capability.


$30.00 - $59.95 AUD


  • Large braking surface for increased traction
  • Sipe and dimple design increases traction in wet or dry conditions
  • Open tread spacing is self-cleaning
  • Excels in loose and rocky conditions
  • TLR tire is engineered for use with our own TLR sealant for worry-free setup and puncture protection
  • Inner Strength casing is lightweight sidewall protection that's supple and strong
Part No. MSRP* FT/RR/PR Size TPI Durometer Bead Type Color Weight
430106 30.00 Dual 26" x 2.20 60 60a/50a Aramid Clincher Black 622g
430107 30.00 Dual 26" x 2.35 60 60a/50a Aramid Clincher Black 770g
432448 59.95 Dual 27.5" x 2.35 (TLR) 60 62a/60a Aramid TLR/Clincher Black 820g
430111 30.00 Dual 29" x 2.30 60 60a/50a Aramid Clincher Black 838g

*Pricing is set by Bontrager retailers and does not include freight, import duties or taxes for retailers outside of the US.

Tire pressures

Tire Pressure Chart

The tire pressure you run depends on the conditions where you ride and the size of your tire. The following chart highlights the minimum and maximum rated tire pressure for each tire.