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THUNDER 24
x
THUNDER 24
THUNDER 20
x
THUNDER 20
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FRAME
Custom Alu 6061,T6
Custom Alu 6061,T6
TRAVEL (F/R)
-
-
FORK
Custom Alloy, rigid
Custom Alloy, rigid
REAR SUSPENSION
-
-
SPRING/DAMPING SYSTEM
-
-
GEARS
1×8
1×7
CRANKSET
WheelTop M32 28T
WheelTop M32 28T
FRONT DERAILLEUR
-
-
REAR DERAILLEUR
Shimano Altus RD-M310
Shimano RD-FT35AD
SHIFTER
Shimano SL-M310 RapidFire Plus
Shimano SL-RS45 Revoshift
FREEWHEEL/CASSETTE
Shimano HG-31-8 11-34T
Shimano HG-200-7 12-28T
CHAIN
KMC Z51
KMC Z51
BRAKES
Tektro BR-855 V-brake
Tektro BR-855 V-brake
BB
Thun Topaz
Thun Topaz
HEAD SET
CH290TBW
CH290TBW
PEDALS
Marwi SP-400
Marwi SP-202
FRONT HUB
ONE KT
ONE KT
REAR HUB
ONE KT
ONE KT
RIMS
ONE J19SD Sport 24H
ONE J19SD Sport 20H
SPOKES
Sapim Galvanized
Sapim Galvanized
TIRES
Schwalbe CX Comp 24x1,75"
Schwalbe CX Comp 20x1,75"
STEM
Alloy 25,4 mm
Alloy 25,4 mm
HANDLEBAR
Alloy rised
Alloy rised
GRIPS
Velo Junior grip
Velo Junior grip
SEAT POST
HL Corp Alloy
HL Corp Alloy
SADDLE
RM Junior
Velo Junior
SIZES
12,5"
10"
Total WEIGHT
9,7 kg
8,8 kg
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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