Kross ALTA 4.0 (2026) Bike in Black Matte. Compare the bicycle specifications and select a listed configuration.
Kross ALTA 4.0 (2026) Bike specifications
| Brand | Kross |
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| Model | ALTA 4.0 |
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| Color | Black Matte |
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| Configurations | XL (58 cm) 28"; XS (49 cm) 28"; L (56 cm) 28"; M (54 cm) 28"; S (52 cm) 28"; XXL (61 cm) 28" |
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| Frame | ALUMINIUM |
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| Fork | CARBON |
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| Crankset | SHIMANO 105 R7100 |
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| Rear derailleur | SHIMANO 105 R7100 |
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| Front derailleur | SHIMANO 105 R7100 |
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| Shifters | SHIMANO 105 R7120 |
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| Number of gears | 24 |
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| Cassette / freewheel | SHIMANO 105 R7100 |
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| Chain | SHIMANO M6100 |
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| Tires | SCHWALBE PRO ONE EVO 34-622 |
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| Front brake | SHIMANO 105 R7170 |
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| Rear brake | SHIMANO 105 R7170 |
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| Saddle | SANMARCO SHORTFIT 2 |
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| Manufacturer color (original) | CZARNY |
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| Manufacturer finish (original) | MATOWY |
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XL (58 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X58M009364 |
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| Frame / wheel size | XL (58 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114707 |
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XS (49 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X49M009360 |
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| Frame / wheel size | XS (49 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114783 |
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L (56 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X56M009363 |
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| Frame / wheel size | L (56 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114721 |
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M (54 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X54M009362 |
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| Frame / wheel size | M (54 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114745 |
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S (52 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X52M009361 |
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| Frame / wheel size | S (52 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114769 |
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XXL (61 cm) 28" configuration details
| Manufacturer article | KRAL4Z28X61M009365 |
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| Frame / wheel size | XXL (61 cm) 28" |
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| Website current price | PLN 7999 |
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| USD reference conversion | USD 1 = PLN 3.92779 on 2026-10-25 |
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| Manufacturer EAN | 5902262114684 |
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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.