Challenge Grifo Pro Open 33 Tires

Challenge Grifo Pro Open 33 Tires
155 reviews
Skinwall
Colour
47,95

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Pros & Cons

Pros & Cons

  • Great tyre for mixed surfaces, offering excellent grip on both forest floors and sand.
  • The tan sidewalls make these tyres look a lot like tubes.
  • The white tyres can really make your bike stand out from the crowd.
Read more on what our customers have to say about this product

Specifications

Specifications

Brand Challenge
Gravel Soil Coarse gravel & dry forest soil / Wet forest soil
Cyclocross surface Dry forest soil & grass / Wet forest soil
Wheel Size 28 inch (700c)
Tyre Width 33 mm
Suitable for tubeless? No
Sand ★★★☆☆
Grass ★★★★★
Mud ★★★☆☆
All specifications

Reviews

Reviews

4.5 / 5
Average from 155 reviews
5
25 reviews
4
8 reviews
3
0 reviews
2
0 reviews
1
3 reviews

Photos from customers


Most recent reviews

5 / 5

Good tyre at a good price

- Hem 4 July 2025

As the tyre is really flat on delivery, unlike other tyres that already have some shape, the first fitting requires a lot of patience to get it to sit around the rim for further fitting. Watch instruction video and keep trying. Once everything is on the rim, you won't bother with it at all later on, in case of a puncture or id. Been riding with them for years, function well and look good.

Pros & Cons

Good dry and wet traction
Mounting
Automatic translation

1 / 5

Don't start this band

- Sebastian 8 January 2025

It's really not as top tyre as you might expect for the price and what you read. Instaltion is a huge hell that makes you lose all the fun in cycling. It cost me several tubes and tyre levers. Skinwall was quickly broken, unfortunately this was solved well by Mantel and I got a new tyre, this meant I had to go through installation hell again.

Pros & Cons

No
Fun in cycling disappears with installation of the tyre
Skinwall always dirty after one mud run
Skinwall broken after only a few races
Automatic translation

5 / 5

Voltreffer

- Hubert 21 November 2023

Super tyre and much cheaper than the new dugast tyres

Pros & Cons

Excellent for grip in grass and lightly sprinkled onde
It looks nice because of the brown sidewall.
Smooth with latex straps.
Have good strength to get it on the rim
Automatic translation

5 / 5

All-purpose tires

- Jean Philippe 10 November 2022

2 cyclo-crosses and very good grip on dirt and grass.

Pros & Cons

Hook
Look
Performance
No
Automatic translation

5 / 5

Perfect off-road tyre

- Jelle 28 February 2022

For a while now, this has been my first choice tyre for under my cross bike. The tyre gives great grip on dry road surfaces. Even soft and moderately wet surfaces are no problem for this tyre. In terms of looks, these tyres are of course beautiful. Note. The sides of the tyres do not last very long. Putting them on the rim for the first time is also quite a challenge.

Pros & Cons

All-round tyre on many (dry) surfaces
Looks!
Rolling resistance
Mounting (be patient)
Sidewall gets dirty quickly (irreparably)
Automatic translation

5

Hem, 4 July 2025

Good tyre at a good price

As the tyre is really flat on delivery, unlike other tyres that already have some shape, the first fitting requires a lot of patience to get it to sit around the rim for further fitting. Watch instruction video and keep trying. Once everything is on the rim, you won't bother with it at all later on, in case of a puncture or id. Been riding with them for years, function well and look good.

  • Good dry and wet traction
  • Mounting
Automatic translation

1

Sebastian, 8 January 2025

Don't start this band

It's really not as top tyre as you might expect for the price and what you read. Instaltion is a huge hell that makes you lose all the fun in cycling. It cost me several tubes and tyre levers. Skinwall was quickly broken, unfortunately this was solved well by Mantel and I got a new tyre, this meant I had to go through installation hell again.

  • No
  • Fun in cycling disappears with installation of the tyre
  • Skinwall always dirty after one mud run
Automatic translation

5

Hubert, 21 November 2023

Voltreffer

Super tyre and much cheaper than the new dugast tyres

  • Excellent for grip in grass and lightly sprinkled onde
  • It looks nice because of the brown sidewall.
  • Smooth with latex straps.
  • Have good strength to get it on the rim
Automatic translation

5

Jean Philippe, 10 November 2022

All-purpose tires

2 cyclo-crosses and very good grip on dirt and grass.

  • Hook
  • Look
  • Performance
  • No
Automatic translation

5

Jelle, 28 February 2022

Perfect off-road tyre

For a while now, this has been my first choice tyre for under my cross bike. The tyre gives great grip on dry road surfaces. Even soft and moderately wet surfaces are no problem for this tyre. In terms of looks, these tyres are of course beautiful. Note. The sides of the tyres do not last very long. Putting them on the rim for the first time is also quite a challenge.

  • All-round tyre on many (dry) surfaces
  • Looks!
  • Rolling resistance
  • Mounting (be patient)
  • Sidewall gets dirty quickly (irreparably)
Automatic translation

Frequently bought together

Frequently bought together


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Recommended by the product specialist


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155 reviews 14 reviews 1 review 8 reviews
Gravel Soil Coarse gravel & dry forest soil / Wet forest soil Coarse gravel & dry forest soil / Wet forest soil Coarse gravel & dry forest soil / Wet forest soil / Mud Wet forest soil / Mud
Cyclocross surface Dry forest soil & grass / Wet forest soil Dry forest soil & grass / Wet forest soil Dry forest soil & grass / Wet forest soil Wet forest soil / Mud
Wheel Size 28 inch (700c) 28 inch (700c) 28 inch (700c) 28 inch (700c)
Tyre Width 33 mm 31 mm / 33 mm / 37 mm / 40 mm 33 mm / 38 mm 33 mm / 40 mm
Suitable for tubeless? No Yes Yes Yes
Sand ★★★☆☆ ★★★☆☆ ★★★☆☆ ★☆☆☆☆
47,95 38,95 From 57,95 36,95
This product View product View product View product

All specifications

General

Brand
Challenge
Suitable for tubeless?
No
Tyre Type
Folding tyre
Tyre Usage
Cyclocross / Gravel

Wheels & Tyres

Cyclocross surface
Dry forest soil & grass / Wet forest soil
Tyre Width
33 mm

Characteristics

Rolling resistance/speed
★★★★★
Puncture Resistance
★★★★☆
Durability
★★★★☆
Grip
★★★★★

Use

Gravel Soil
Coarse gravel & dry forest soil / Wet forest soil
Sand
★★★☆☆
Grass
★★★★★
Mud
★★★☆☆
Asphalt
★★★☆☆
Gravel road
★★★★☆
Forest path
★★★★★
Trails
★★★★★

Size

Wheel Size
28 inch (700c)

All specifications

Brand
Challenge

General

Suitable for tubeless?
No
Tyre Type
Folding tyre
Tyre Usage
Cyclocross / Gravel

Wheels & Tyres

Cyclocross surface
Dry forest soil & grass / Wet forest soil
Tyre Width
33 mm

Characteristics

Rolling resistance/speed
★★★★★
Puncture Resistance
★★★★☆
Durability
★★★★☆
Grip
★★★★★

Use

Gravel Soil
Coarse gravel & dry forest soil / Wet forest soil
Sand
★★★☆☆
Grass
★★★★★
Mud
★★★☆☆
Asphalt
★★★☆☆
Gravel road
★★★★☆
Forest path
★★★★★
Trails
★★★★★

Size

Wheel Size
28 inch (700c)