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KROSS Alta 4.0 is a road bike designed for those who value fast and comfortable rides. The aluminium frame, carbon fork, Shimano 105 2x12 drivetrain, and hydraulic disc brakes ensure stability, confidence while riding, and comfort even on long distances.

Basic data

Brand KROSS
Country of origin of the brand Poland
Sport Bicycles
Gender Male, Woman
Season Year-round
Leading colour Black
Model/product code Alta 4.0 KRAL4Z28X49M009360
Type of Product Endurance
Code 2000201187

Frame

Frame material Aluminium

Components

Handlebar material Aluminium
Handlebar support TRANZ X JD
Handlebar stem material Aluminium
Grips SELLE ITALIA SMART GRAN FONDO
Rudders ACROS AIX-526
Fork material Carbon fibre
Saddle SAN MARCO SHORTFIT 2.0
Frame material Aluminium

Drive

Type of derailleur Mechanical
Derailleurs 2x12
Number of gears 24
Front derailleur (model) Shimano 105 R7100
Rear derailleur (model) Shimano 105 R7100
Handles Shimano R7120
Suport SHIMANO BB-RS501
Crank mechanism Shimano 105 R7100 34x50t
Cassette / Freewheel SHIMANO 105 R7100 (11-36T)
Chain Shimano M6100

Brakes

Brakes (model) Shimano 105 R7120 Hydraulic Disc
Brake type Hydraulic discs
Brake discs 160 mm front / 160 mm rear

Wheels

Wheel size 28"
Wheels ALEXRIMS GX30
Tyres SCHWALBE PRO ONE EVO 34-622
Hubs SHIMANO TC500

Additional information

Pedals included No

Warnings and producer's data

Warnings The manufacturer reserves the right to change specifications, materials and equipment, so please refer to the current technical description on the product sheet below. The photos are for illustrative purposes only.
Producer KROSS S.A. | ul. Leszno 46, 06-300 Przasnysz, Polska | kross@kross.pl

Road bike KROSS Alta 4.0 black/graphite/mat (KRAL4Z28X49M009360)

KROSS Alta 4.0 Road Bike in black/graphite/matt is an excellent choice for cycling enthusiasts seeking high-quality equipment. The aluminium frame ensures lightness and durability, while the carbon fibre in the fork further enhances riding comfort by absorbing shocks. The bike is equipped with SELLE ITALIA SMART GRAN FONDO grips, which increase comfort even on long rides.

Advanced Shimano Technologies

The KROSS Alta 4.0 road bike in black/graphite/matt features Shimano 105 R7100 derailleurs that guarantee precise gear shifting. The Shimano 105 R7100 34x50T crankset and Shimano 105 R7100 cassette (11-36T) provide a wide range of gears, allowing adjustment to various terrain conditions. With Shimano 105 R7120 hydraulic disc brakes, the bike offers reliable and effective braking in all weather conditions.

Components for Comfort and Efficiency

High-quality ALEXRIMS GX30 wheels and SCHWALBE PRO ONE EVO 34-622 tyres ensure excellent grip and smooth riding. The SAN MARCO SHORTFIT 2.0 saddle provides comfort even on long excursions, while aluminium components like the handlebars, TRANZ X JD stem, and seat post guarantee durability and stability. SHIMANO TC500 hubs support smooth wheel operation, resulting in more efficient pedalling.

Durability and Reliability

The KROSS Alta 4.0 road bike in black/graphite/matt is an investment for years to come, thanks to its lifetime warranty on the frame. ACROS AIX-526 headset and SHIMANO BB-RS501 bottom bracket contribute to long-lasting, trouble-free use. Every element of this bike is designed for maximum performance and durability, making it an ideal choice for both amateurs and experienced cyclists.

KROSS Alta 4.0 Road Bike - Features:

  • Aluminium frame ensuring lightness and durability;
  • Carbon fibre fork minimising shocks;
  • SELLE ITALIA SMART GRAN FONDO grips enhancing riding comfort;
  • Shimano 105 R7100 derailleurs guaranteeing precise gear changes;
  • Shimano 105 R7100 34x50T crankset offering a wide gear range;
  • Shimano 105 R7120 hydraulic disc brakes providing effective braking;
  • ALEXRIMS GX30 wheels and SCHWALBE PRO ONE EVO tyres for excellent grip;
  • SAN MARCO SHORTFIT 2.0 saddle offering comfort on long rides;
  • Aluminium components such as handlebars, stem, and seat post for durability and stability;
  • SHIMANO TC500 hubs supporting smooth wheel operation;
  • Lifetime warranty on the frame for peace of mind.
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Road bike KROSS Alta 4.0 black/graphite/mat

Road bike KROSS Alta 4.0 black/graphite/mat

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Size Sizes table
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Sizes table

    Below you will find information that will help you choose the right size when purchasing a KROSS bicycle.

    Size XS (49 cm) 28" S (52 cm) 28" M (54 cm) 28" L (56 cm) 28" XL (58 cm) 28" XXL (61 cm) 28"
    Height (cm) 152-159 159-170 170-176 176-183 183-188 188-197
    Wheel size 28" 28" 28" 28" 28" 28"
    FS Frame size (inches) 18 19 20 20 21 23
    ST Seattube (mm) 445 475 500 520 545 575
    TT 512 529 543 558 571 590
    HT Head tube length (mm) 120 135 150 165 190 215
    SA 74,5 74 73,5 73,5 73,5 73,5
    HA 70 70,7 71,4 72 72 72
    CS Length of rear fork (mm) 420 420 420 420 420 420
    WB Wheelbase (mm) 994 1000 1001 1012 1025 1045
    REACH (mm) 362 370 373 384 390 402
    STACK (mm) 538 555 572 588 612 636
    BB DROP (mm) 77 77 77 77 77 77
    Weight (kg) 9,9 10 10,1 10,2 10,3 10,4

    €1,889.00
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