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Silca Protocol RCG-4 Gravel Tyre
Just because you are riding on rough terrain, doesn't mean you don't still want to go fast. RCG-4 is the choice for the muddy days and the roughest of courses. Increased puncture protection with the Pulsar compound to keep the speed high.
The ultimate off-grid tire for sloppy mud, sand, and loose rock. The Protocol RCG-4 utilizes aggressive, widely spaced lugs that shed sticky loam and mud. Designed to bridge the gap between adventurous gravel racing and mixed trail terrain, this tire thrives in shifting, unpredictable conditions like mud, sand, and steep, loose rock. Wrapped in full bead-to-bead puncture protection, it gives you the confidence to tackle everything from singletrack, OHV roads and off-camber loose rock without fear of sidewall tears. The RCG-4 features an aggressive, wide-spaced knob profile utilizing fewer, but significantly larger, lugs than our RCG-3 model. This intentional spacing prevents dirt and sticky loam from packing together and caking the tire. In sloppy conditions where other tires might clog and lose traction, the RCG-4 actively flings mud away, ensuring reliable bite and uninterrupted momentum.
Important: Never install tires with a tire lever.
RCG-4 Architecture
An aggressive, wide-spaced knob profile that uses fewer but significantly larger lugs than the RCG-3. That intentional spacing stops dirt and sticky loam from packing together, so the tire actively flings mud away instead of clogging and losing traction.
Enhanced Protection
Wider, taller knobs put more rubber between your casing and the rocks, and the sidewall carries an added layer of protection for the terrain this tire is built to cross. It is the most protected tire in the Protocol gravel line, chosen for courses that punish thin casings.
Ideal Conditions
Sloppy mud, sand, and steep, loose rock, where the surface shifts under you and grip decides the day. It bridges adventurous gravel racing and mixed trail terrain, from singletrack to OHV roads and off camber loose rock.
- 45, 50, 55mm options
- 545g in 45mm, 620g in 50mm, 650g in 55mm
- 120 TPI
- SealSkin Bead-to-Bead Protection
- Fastest Pulsar compound
- Width as measured on a 25mm rim after 24 hours
- Designed for mud and extreme conditions
- Aggressive knob spacing for mud shedding and increased grip
Just because you are riding on rough terrain, doesn't mean you don't still want to go fast. RCG-4 is the choice for the muddy days and the roughest of courses. Increased puncture protection with the Pulsar compound to keep the speed high.
The ultimate off-grid tire for sloppy mud, sand, and loose rock. The Protocol RCG-4 utilizes aggressive, widely spaced lugs that shed sticky loam and mud. Designed to bridge the gap between adventurous gravel racing and mixed trail terrain, this tire thrives in shifting, unpredictable conditions like mud, sand, and steep, loose rock. Wrapped in full bead-to-bead puncture protection, it gives you the confidence to tackle everything from singletrack, OHV roads and off-camber loose rock without fear of sidewall tears. The RCG-4 features an aggressive, wide-spaced knob profile utilizing fewer, but significantly larger, lugs than our RCG-3 model. This intentional spacing prevents dirt and sticky loam from packing together and caking the tire. In sloppy conditions where other tires might clog and lose traction, the RCG-4 actively flings mud away, ensuring reliable bite and uninterrupted momentum.
Important: Never install tires with a tire lever.
RCG-4 Architecture
An aggressive, wide-spaced knob profile that uses fewer but significantly larger lugs than the RCG-3. That intentional spacing stops dirt and sticky loam from packing together, so the tire actively flings mud away instead of clogging and losing traction.
Enhanced Protection
Wider, taller knobs put more rubber between your casing and the rocks, and the sidewall carries an added layer of protection for the terrain this tire is built to cross. It is the most protected tire in the Protocol gravel line, chosen for courses that punish thin casings.
Ideal Conditions
Sloppy mud, sand, and steep, loose rock, where the surface shifts under you and grip decides the day. It bridges adventurous gravel racing and mixed trail terrain, from singletrack to OHV roads and off camber loose rock.
- 45, 50, 55mm options
- 545g in 45mm, 620g in 50mm, 650g in 55mm
- 120 TPI
- SealSkin Bead-to-Bead Protection
- Fastest Pulsar compound
- Width as measured on a 25mm rim after 24 hours
- Designed for mud and extreme conditions
- Aggressive knob spacing for mud shedding and increased grip
Reviews of this product
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