Challenge Gravel Grinder 28x1.50" tire, TLR, kevlar
Challenge Gravel Grinder 28x1.50" tire
The Challenge Gravel Grinder is a tire specifically designed for gravel wheels that allows tubeless use.|
The sample based on the Chicane cyclocross wheels is characterized by an excellent combination of low rolling resistance and at the same time security in turns thanks to the side protrusions
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The nylon sides of the tire guarantee excellent driving characteristics and sufficient resistance against punctures
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| Colour | black |
| Tubeless | Yes |
| Material | kevlar |
| Wheel diameter | 700C (28") |
| Tire width | 38C (1.50") |
| ETRTO | 38-622 |
| Pressure | 2.1-4.1 Bar |
| TPI | 120 |
| Weight | 450 g |
| Weight limit | 120 kg |
| product ID | 83941 |
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 |
savings Challenge Smart Tubeless tubeless sealant, 250 ml
14.39 €
savings
RRP 20.99 €
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