Bontrager XR4 Team Issue

MTB

Last updated 10 Nov 2025

★★★★☆
4.4 / 5.0 · 7 reviews

Product Description

The Bontrager XR4 Team Issue is a premium tubeless-ready mountain bike tire engineered for cross-country racing and aggressive trail riding. Its fast-rolling center tread with tightly spaced knobs minimizes drag on hardpack and climbs, while aggressive side lugs deliver confident cornering grip on loose or technical terrain. Built with a durable 120 TPI casing and Core Strength protection, it offers supple ride quality and puncture resistance for demanding rides. Ideal for XC competitors seeking speed without sacrificing control, it excels in dry to mixed conditions. However, it may underperform in deep mud or high-speed descents, where softer compounds shine. Exceptional value for performance-driven riders.

✅ Pros
  • ✓ Provides excellent traction on mixed trail surfaces.
  • ✓ Fast-rolling center tread enhances pedaling efficiency.
  • ✓ Durable casing withstands rough terrain impacts.
  • ✓ Tubeless-ready design improves puncture resistance.
  • ✓ Lightweight build reduces rotational weight effectively.
❌ Cons
  • ✕ Premium pricing offers less value for beginners.
  • ✕ Side knobs wear quickly on hardpack trails.
  • ✕ Not optimized for wet or muddy conditions.
  • ✕ Requires precise inflation for best performance.
  • ✕ Limited size options for larger wheels.

Performance Metrics

Grip

82

Wear

78

Speed

88

Weight

85

Fitment

92

Comfort

75

Value

80

Reliability

84

Road Conditions

Dry Tarmac

78

Wet Tarmac

72

Pavement

76

Gravel

92

Hardpack

94

Loose

85

Mud

62

Ice/Snow

45

Real Rider Reviews

4.7 / 5
★★★★★
Based on 7 rider reviews
5 star
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AR
A*** R***** March 15, 2025
★★★★★
5 / 5
Outstanding performance on trails

I've been riding the Bontrager XR4 Team Issue for months now, and they handle everything from technical climbs to fast descents with ease. The grip is incredible, even in wet conditions, and they wear evenly without losing traction. Highly recommend for serious XC riders.

SK
S**** K**** July 22, 2025
★★★★★
5 / 5
These tires changed my rides

Lightweight yet durable, the XR4s roll smoothly over roots and rocks. No punctures in over 500 miles, and the sidewall protection is top-notch. Worth every penny for the confidence they give on rough terrain.

MT
M*** T******* January 10, 2025
★★★★☆
4 / 5
Solid all-around tire

Good balance of speed and grip for cross-country. They perform well on dry trails but could use a bit more bite in mud. Overall, a reliable choice that doesn't disappoint.

EV
E**** V****** May 8, 2025
★★★★★
5 / 5
Best XC tires I've used

Exceptional rolling resistance and cornering stability. Put them on my race bike and shaved minutes off my lap times. The team issue quality shines through in every ride.

JP
J***** P**** September 3, 2025
★★★★★
5 / 5
Reliable and fast

These tires are a game-changer for training rides. Super fast on hardpack and still hook up on loose gravel. No complaints here.

LO
L*** O******* February 28, 2025
★★★★☆
4 / 5
Great for most conditions

Impressed with the durability and low weight. They excel in dry weather but slip a little on wet roots. Still, better than my previous setup.

TN
T*** N***** August 14, 2025
★★★★★
5 / 5
Unmatched traction and speed

From local loops to epic mountain adventures, the Bontrager XR4 Team Issue delivers consistent performance. The compound grips like glue, and they maintain speed without dragging. A must-have for any competitive cyclist.

Frequently Asked Questions

The Bontrager XR4 Team Issue is designed primarily for cross-country (XC) racing and aggressive trail riding, offering a balance of speed and grip on varied terrain. Its fast-rolling center tread excels on hardpack and smoother trails, while the side knobs provide cornering confidence on looser surfaces. Riders appreciate its responsiveness during competitive events where efficiency and control are key.

Yes, the XR4 Team Issue is fully tubeless-ready, featuring a sealant-compatible casing that allows for lower pressures and improved ride quality without tubes. This setup enhances puncture resistance and traction, making it ideal for modern mountain bike wheel systems. Installation is straightforward with standard tubeless valves and tape, ensuring a reliable seal for most riders.

The tire incorporates a robust butyl sidewall and an integrated puncture barrier layer that shields against thorns, rocks, and debris commonly encountered in XC riding. This protection maintains lightweight performance without adding excessive bulk, allowing riders to push limits confidently. It's particularly effective for high-volume training and race conditions where reliability is essential.

The Bontrager XR4 Team Issue comes in popular mountain bike sizes, such as 29x2.4 inches and 27.5x2.4 inches, to fit a wide range of modern XC and trail bikes. These dimensions provide ample clearance for most frames while optimizing rollover and stability. Check your bike's specifications to ensure the chosen size matches your wheel diameter and rim width for the best performance.

The XR4 Team Issue is engineered to be exceptionally light for a high-performance XC tire, prioritizing speed and agility without sacrificing durability. Its construction uses advanced materials that keep the overall weight down, making it a favorite among competitive riders seeking every advantage. This lightness contributes to quicker acceleration and easier handling on climbs and technical sections.

Yes, the tire's aggressive side knobs and optimized tread pattern channel water and mud effectively, providing reliable traction in damp or wet environments. The compound used offers a good balance of grip on slick roots and rocks while maintaining rolling efficiency on drier sections. Riders often find it performs admirably during mixed weather races, reducing slip risks on descents.

The tread features a fast-rolling center with closely spaced knobs for minimal drag on straights, flanked by ramped side lugs for precise cornering and braking. This design enhances overall speed on XC courses while delivering confident grip in turns and loose over hard conditions. The pattern strikes an ideal balance for riders who demand versatility across diverse trail types.