Schwalbe tire RACING RALPH 29x2.25 (57-622) 127TPI Lite Speed
The perfect racer. Thanks to the perfect combination of speed and grip, this racer is amazing. Works perfectly on the rear wheel in combination with Rocket Ron. Tread design: low center tread depth for high speed and low weight.
EVOLUTION LINE. The best that can be made, first-class materials, the latest technologies.
LITESKIN. The tires have light, thinned sidewalls. Advantages: weight saving and lower rolling resistance.
ADDIX SPEED. Compound for XC racers. It catapults XC tires into a new performance dimension.
Rolling ●●●●●○
Road Grip ●●●○○○
Off-Road Grip ●●●●○○
Protection ●●○○○○
Service life ●●●○○○
Technical specifications: | |
---|---|
ETRTO | 57-622 (29 x 2.25") |
Type | folding |
A mixture | Addix Speed |
Version | LiteSkin |
Color | black |
Side wall | Lite |
Weight | 560g |
Pressure | 1.80 - 3.70 Bar (26 - 54 psi) |
Max load | 120 kg |
EPI | 127 |
EAN | 4026495816908 |
Soul | 19, 19A, 19F |
Tubeless | No |
Material | unspecified |
product ID | 63869 |
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 |
