Kross ESKER 4.0 KRX Bike in Blue Glossy. Compare the bicycle specifications and select a listed configuration.
Kross ESKER 4.0 KRX Bike specifications
| Brand | Kross |
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| Model | ESKER 4.0 KRX |
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| Color | Blue Glossy |
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| Configurations | M (20") 28"; S (19") 28"; XL (22") 28"; L (21") 28" |
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| Frame | STAL (CrMo) |
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| Fork | STAL |
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| Crankset | PROWHEEL RPL-521 |
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| Rear derailleur | KR7 R5010 |
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| Front derailleur | KR7 R5010-C |
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| Shifters | KR7 R5010 |
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| Number of gears | 20 |
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| Cassette / freewheel | SENSAH ROAD-CR-HR10 |
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| Chain | YBN SH10 |
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| Tires | WANDA W3113 700x38C |
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| Front brake | TRP SPYRE-C |
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| Rear brake | TRP SPYRE-C |
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| Saddle | WTB VOLT SPORT |
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| Manufacturer color (original) | NIEBIESKI |
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| Manufacturer finish (original) | POŁYSK |
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M (20") 28" configuration details
| Manufacturer article | KREK4Z28X20M008312 |
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| Frame / wheel size | M (20") 28" |
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| Website current price | PLN 3599 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262095914 |
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S (19") 28" configuration details
| Manufacturer article | KREK4Z28X19M008311 |
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| Frame / wheel size | S (19") 28" |
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| Website current price | PLN 3599 |
|---|
| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262095907 |
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XL (22") 28" configuration details
| Manufacturer article | KREK4Z28X22M008314 |
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| Frame / wheel size | XL (22") 28" |
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| Website current price | PLN 3599 |
|---|
| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
|---|
| Manufacturer EAN | 5902262095938 |
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L (21") 28" configuration details
| Manufacturer article | KREK4Z28X21M008313 |
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| Frame / wheel size | L (21") 28" |
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| Website current price | PLN 3599 |
|---|
| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262095921 |
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Choosing a configuration
Check fit, reach and the listed dimensions before choosing a size. Photos show the selected color; component details may vary by configuration.
