Schwalbe Racing Ralph Evo HT cyclocross helmet 33-622
The perfect racer, profile, compound, shell frame. In the 3rd generation Racing Ralph, everything is tuned for speed. In the new 29" Racing Ralph, the distances of the individual tire blocks are arranged and specially adapted to this. This will emphasize the advantages of the 29" tires (rolling resistance, grip) even more.
- use of cyclocross
- the Evolution board
- size 33-622
- handmade galuska
- PaceStar Compound
- Tubeless Ready
- LiteSkin
- weight 395g
- pressure 2.0-6.0 bar
- EPI T107
Tubeless | No |
Material | unspecified |
product ID | 8189 |
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 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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