Proton NX

  • Strong and lightweight alloy frame with lowered top center tube
  • V-Class Delta steel suspension fork
  • Mechanical disc brakes with alloy Levers
  • 3x7 speed reliable drive train
  • Index freewheel, 13-28T
  • Pre-installed durable steel rear rack
  • Equipped with plastic fenders and rear kick stand

Description


The Atlantic Proton NX bike is designed for urban cycling with a robust and durable steel frame that can withstand heavy loads and a variety of road conditions.


Powerful stopping power is provided by V-Class Zeta mechanical disc brakes with aluminum  handlebar levers, which are cabled to the pads that grip the front and rear wheel rotors.


The bike's drivetrain includes 21 speeds (3x7) and is powered by quality Shimano Tourney equipment. Shimano RevoShift shifters, mounted on the handlebar, are responsible for the index shifting.


The 27,5'' and 29" wheels are good for speeding, rolling and overcoming difficult road surfaces, and the installed protective fenders with an integrated rear flasher prevent the splashing of road mud in bad weather and increase driving safety in the dark.


The seat tube height adjustment allows the rider to find the most comfortable position.


The complete set of the bike includes a pre-installed strong rear rack made of steel, on which it is convenient to carry small loads.


Branded and undemanding V-Class bike components give high performance over a long period of use.

Specification

Frame Atlantic MTB Lite, alloy
Fork V-Class Delta, 80mm, steel
Shifters Shimano Tourney SL-RV200, 3x7 speed
Front derailleur Shimano Tourney FD-TZ500, 3 speed
Rear derailleur Shimano Tourney RD-TZ500-GS, 7 speed
Cassette Tri Diamond, index, 13-28t
Crankset V-Class Delta pro, 24T/34T/42T, steel
Chain JX 50
Bottom bracket Sealed cartridge BSA
Brakes V-Class Zeta, mechanical disc brake, rotor: 160/160 mm
Brake Levers V-Class, mechanical disc brake, alloy
Hub (front) V-Class Delta, disk, quick release, steel
Hub (rear) V-Class Delta, disk, quick release, steel
Handlebars V-Class Delta, steel
Stem V-Class Zeta, alloy
Seatpost V-Class Sigma, alloy
Saddle V-Class MontRace
Headset Atlantic M2, A-Headset, semi-integrated
Rims V-Class Zeta, disc, double wall, alloy
Spokes Stainless Steel
Tires MTB, 27,5" / 29" x 2.125"
Pedals V-Class FP-803, ball bearings
Grips V-Class Pro MTB
Carrier V-Class City, steel
Mudguards V-Class City, alloy
Approx weights in kg 15,9
Color Grey / Black / Red
Frame size M7 / L9

* We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, and materials.

Size chart

Geometry

XS6 M7 L9
A bb center to top of seattube 360 440 490
B top tube parallel 538 562 574
B* top tube horizontal 555 586 605
C chainstay 440 445 445
D headtube length 110 120 125
E head angle 69,5 ° 70 ° 69,5 °
F seat angle 73,5 ° 73 ° 71,5 °
H bb offset 45 50 70
K wheelbase 1061 1092 1103
G seatpost diameter 31,8 31,8 31,8

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