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SILCA Protocol RCG-1 700x45C Pulsar GhostShield tire, TLR, kevlar

119 €
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Delivery method on Thursday 08.10.2026
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Delivery method on Thursday 08.10.2026
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SILCA Protocol RCG-1 Pulsar GhostShield tire

SILCA Protocol RCG-1 is a fast gravel tire for riders who want to combine the speed of a road bike with the volume and comfort of an XC race tire. It is designed for fast gravel races as well as brisk rides on a combination of asphalt and gravel, where low rolling resistance, cornering confidence, and comfort are equally important.



The tread pattern and construction of the tire are optimized for modern tubeless systems and lower pressures, so the tire holds its shape, providing reliable braking traction and high stability in fast corners. Thanks to the race compound and a lightweight protective layer, it offers a combination of speed, grip, and durability without unnecessary weight gain.
Product features
Two "personalities" of the tire: fast almost like a slick on the straight, very confident when leaning into corners
Pulsar Compound for optimal rolling resistance, grip and durability
Race Casing construction adapted to modern pressures and wide rims
CarbonBead carbon fiber bead for stable shape and secure seating - also hookless
Ghost Shield lightweight puncture protection designed for maximum rolling efficiency
Tubeless Ready construction optimized for tubeless systems and low-pressure riding
Product details
Colour black
Tubeless Yes
Material kevlar
Wheel diameter 700C
Tire width 45C
Weight 430 - 490 g info
Construction 120 TPI
ETRTO 45-622
product ID 419941
Values ​​occurring with tires
PSI - indicates the pressure to which the manufacturer recommends inflating the tire. 1 atmosphere = 14.7 PSI
TPI (EPI) - the density of the shell's skeleton fibres. The higher the TPI value, the more flexible and flexible the tire will be.
Kevlar tire - foot made of Kevlar fibres. The cover can be folded, so it is more practical when moving or storing. It is characterized by a lower weight compared to wire casings and a higher resistance to puncture.
Wire tire - bead made of wire. The shell is inflexible, it is heavier than the Kevlar one.

Overview of tire sizes and markings
Size chart ETRTO Dimension in inches French label
28" 18-622 28 x 3/4 700 x 18C 
  19-622   700 x 19C 
  20-622 28 x 3/4 700 x 20C  
  22-622 28 x 7/8  700 x 22C  
  23-622 28 x 7/8  700 x 23C  
  25-622 28 x 1.00, 1 1/16  700 x 25C  
  28-622 28 x 1.20  700 x 28C  
  30-622 28 x 1 5/8 x 1 1/8  700 x 30C  
  32-622 28 x 15/8 x 11/4  700 x 32C 700C COURSE  
  35-622 28 x 15/8 x 13/8  700 x 35C  
  37-622 28 x 1 5/8 x 1 3/8  700 x 35C  
  40-622 28 x 1.50 28 x 1 5/8 x 1 1/2  700 x 38C
  42-622 28 x 1.60  700 x 40C  
  44-622 28 x 1.625  700 x 42C 
  47-622 28 x 1.75  700 x 45C 
  50-622 28 x 1.90 28 x 2.00   
  60-622 28 x 2.35   
  32-635 28 x 1 1/2 x 1 1/8 770 x 28B 700 x 28B 770B COURSE 
  40-635 28 x 1 1/2 28 x 1 1/2 x 1 3/8  700 x 38B 700 x 35B 700 Standard 700B Standard  
  44-635 28 x 15/8 x 11/2  700 x 40/42B
  28-642 28 x 1 3/8 x 1 1/8  700 x 28A  
  37-642 28 x 1 3/8  700 x 35A  
Tire and rim compatibility overview
Tire width in mm Wheel rim in mm                
  13C 15C 17C 19C 21C 23C 25C 27C 29C
18                  X                
20                  X                
23                  X                  X              
25                  X                  X                  X            
28                    X                  X                  X                   X          
32                    X                  X                  X                   X          
35                      X                   X                    X        
37                      X                   X                    X                    X      
40                      X                   X                    X                    X      
42                      X                   X                    X                    X                    X    
44                      X                   X                    X                    X                    X    
47                      X                   X                    X                    X                    X                      X  
50                      X                   X                    X                    X                    X                      X  
52                      X                   X                    X                    X                    X                      X                     X
54                         X                    X                    X                    X                      X                     X
57                         X                    X                    X                    X                      X                     X
60                         X                    X                    X                    X                      X                     X
62                         X                    X                    X                   X                      X                     X
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SILCA is a well-respected and premium cycling brand that is known for its high-quality and innovative cycling accessories, tools, and components. SILCA has a long history dating back to 1917, and the brand has been associated with producing top-notch products for cyclists and mechanics. They have been pioneers in designing and manufacturing floor pumps, frame pumps, multitools, and other essential cycling equipment.

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