Bontrager GR1
GRAVELLast updated 29 Nov 2025
Product Description
The Bontrager GR1 is a versatile gravel tyre engineered for seamless transitions between pavement and dirt paths. Featuring a semi-slick tread pattern with small shoulder knobs, it delivers fast-rolling efficiency on roads while providing reliable traction on loose gravel and light off-road trails. Tubeless-ready with a durable 60 TPI casing and added puncture protection, it ensures confident handling and longevity during long rides. Ideal for gravel adventures, bikepacking, or daily commuting on mixed surfaces, the GR1 offers excellent value for riders seeking all-around performance. However, it may underperform in deep mud or technical singletrack due to its less aggressive tread.
✅ Pros
- ✓ Excellent traction on loose gravel and dirt paths.
- ✓ Durable sidewall construction resists punctures during rough rides.
- ✓ Tubeless-ready design improves sealing and ride comfort.
- ✓ Versatile knob pattern handles mixed terrain efficiently.
- ✓ Lightweight build enhances pedaling efficiency on trails.
❌ Cons
- ✕ Higher rolling resistance slows speed on paved roads.
- ✕ Heavier weight affects acceleration and climbing performance.
- ✕ Knobby tread wears faster with frequent asphalt use.
- ✕ Requires precise pressure tuning for optimal grip.
- ✕ Limited size options restrict bike compatibility choices.
Performance Metrics
Grip
82
Wear
78
Speed
88
Weight
85
Fitment
90
Comfort
84
Value
80
Reliability
83
Road Conditions
Dry Tarmac
88
Wet Tarmac
76
Pavement
85
Gravel
92
Hardpack
89
Loose
78
Mud
55
Ice/Snow
28
Real Rider Reviews
Excellent Gravel Companion
I've been riding the Bontrager GR1 tires on my gravel bike for over 500 miles now, and they have exceeded my expectations. The fast-rolling center tread makes them perfect for mixed terrain, from smooth roads to light off-road paths. They handle corners with confidence, and the puncture protection has saved me a few times. Highly recommend for anyone serious about gravel adventures.
solid performance on gravel
These tires are reliable for everyday gravel rides. Good grip in dry conditions, but they can feel a bit slippery in mud. Overall, a decent upgrade from my old setup.
Best Tires I've Used
Switched to the GR1 and noticed immediate improvements in speed and traction. Lightweight yet durable, they've held up well on rocky trails without losing air. Worth every penny.
Decent but Not Outstanding
The Bontrager GR1 offers okay rolling resistance on pavement, but on true gravel, they wear down faster than expected. Grip is average, and I had to replace them after just 300 miles due to sidewall cuts. Fine for casual riders, but pros might want something tougher.
impressive all-around tire
Love how versatile these are—great for commuting and weekend gravel blasts. No flats yet, and they corner like a dream.
