• FRAME Custom Alu 6061,T6
  • TRAVEL (F/R) -
  • FORK Custom Alloy, rigid
  • REAR SUSPENSION -
  • SPRING/DAMPING SYSTEM -
  • GEARS 1×8
  • CRANKSET WheelTop M32 28T
  • FRONT DERAILLEUR -
  • REAR DERAILLEUR Shimano Altus RD-M310
  • SHIFTER Shimano SL-M310 RapidFire Plus
  • FREEWHEEL/CASSETTE Shimano HG-31-8 11-34T
  • CHAIN KMC Z51
  • BRAKES (FRONT/REAR) Tektro BR-855 V-brake
  • BB Thun Topaz
  • HEAD SET CH290TBW
  • PEDALS Marwi SP-400
  • FRONT HUB ONE KT
  • REAR HUB ONE KT
  • RIMS ONE J19SD Sport 24H
  • SPOKES Sapim Galvanized
  • TIRES Schwalbe CX Comp 24x1,75"
  • STEM Alloy 25,4 mm
  • HANDLEBAR Alloy rised
  • GRIPS Velo Junior grip
  • SEAT POST HL Corp Alloy
  • SADDLE Velo Sport Junior
  • SIZES 12,5"
  • WEIGHT* 9,7 kg

Weight is set for M sized frame unless stated otherwise. We focus on maximum reliability, so cutting some grams down is not our priority! The weight is measured as the each bike specification shows.

  • GEARS 1×8
Wheelsize
Frame Size 12.5"
SEAT TUBE LENGTH (mm) 12.5": 320
EFFECTIVE TOP TUBE LENGTH (mm) 12.5": 510
CHAINSTAY LENGTH (mm) 12.5": 400
WHEELBASE (mm) 12.5": 971
SEAT TUBE ANGLE 12.5": 73
HEAD TUBE ANGLE 12.5": 70.5
HEAD TUBE LENGTH (mm) 12.5": 115
fork lenght (mm) 12.5": 380
Fork offseet (mm) 12.5": 40
bb drop (mm) 12.5": 20
bb shell size (mm) BSA BC 1.37*24 / 68
HEAD TUBE SIZE 1-1/8" (41*34)
SEAT POST DIAMETER (mm) 12.5": 27.2
SEAT CLAMP DIAMETER (mm) 12.5": 31.8
Dropout IDL (mm) 10x135 QR
Handlebar Width (mm) 600/R30
Stem Length (mm) 12.5": 35
Crank Length (mm) 12.5": 140
Seatpost Length (mm) 12.5": 300

Frame size

We reccomend *

* The recommendation covers most common body types. Always try the bike yourself at the nearest shop!

bike preview

TEENS&KIDS Technology

Sharkspine EVO

Sport Drive

ESS

Extended Seat Stays

Nearest shops

Kola Pešek a syn I

1267 km away

U Elekrárny 306

53002 Pardubice - Čeperka

Bicicletaria Azores

4054 km away

R. do Espírito Santo

9500-337 Fajã de Baixo

bicicletariaaz@gmail.com

Tel.: +351 913 473 453

Bike Zone - Povoa de Varzim

5259 km away

R. Gomes de Amorim

4490-509 Póvoa de Varzim

povoa@bikezone.pt

Tel.: +351 936 546 431

Carbon Work

5264 km away

R. Dr. Aníbal Araújo

4750-109 Barcelos

info@carbonwork.pt

Tel.: +351 938 581 341

We strongly recommend buying our products from authorized dealers only.

Professionals who can advise you the best bike fits your riding style and subsequent service.

Rock Machine Research&Development

Passion. Mission.

If you want to burn, be on fire! From the first pencil sketch, through prototype testing and debugging to the finished product tested in the most rigorous labs by the engineers and on the trails by our ambassadors and us.

See you on the trail!

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