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27.5 ico
CATHERINE 40-27
CATHERINE 40-27
THUNDER 24
x
THUNDER 24
CATHERINE 24
x
CATHERINE 24
CATHERINE 20
x
CATHERINE 20
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FRAME
Alu 6061,T6 Multibutted EVO
Custom Alu 6061,T6
Custom Alu 6061,T6
Custom Alu 6061,T6
TRAVEL (F/R)
100 mm
-
50 mm
-
FORK
SR Suntour XCT
Custom Alloy, rigid
SR Suntour XCT JR24
Hi-ten rigid
REAR SUSPENSION
-
-
-
-
SPRING/DAMPING SYSTEM
Coil spring
-
Super soft coil spring
-
GEARS
3×7
1×8
1×7
1×6
CRANKSET
Shimano FC-TY301 42/34/24T
WheelTop M32 28T
WheelTop M32 28T
WheelTop M32 28T
FRONT DERAILLEUR
Shimano FD-TY500
-
-
-
REAR DERAILLEUR
Shimano RD-TY500D
Shimano Altus RD-M310
Shimano RD-TY300D
Shimano RD-FT35AD
SHIFTER
Shimano ST-EF500 EZ Fire Plus
Shimano SL-M310 RapidFire Plus
Shimano SL-RS45 Revoshift
Shimano SL-RS35 Revoshift
FREEWHEEL/CASSETTE
Shimano MF-TZ500-7 14-34T Freewheel
Shimano HG-31-8 11-34T
Shimano MF-TZ500-7 14-34T Freewheel
Shimano TZ20-6 14-28T Freewheel
CHAIN
KMC Z51
KMC Z51
KMC Z51
KMC Z51
BRAKES
Tektro MD-M280 mechanic disc brake 160/160 mm
Tektro BR-855 V-brake
Tektro BR-855 V-brake
Tektro BR-855 V-brake
BB
Shimano BB-UN100
Thun Topaz
Thun Topaz
Thun Topaz
HEAD SET
FSA Orbit 1.5B No.57B, Zero Stack, 1-1/8"
CH290TBW
CH290TBW
CH290TBW
PEDALS
Marwi SP-610
Marwi SP-400
Marwi SP-400
Marwi SP-202
FRONT HUB
ONE KT Disc QR
ONE KT
ONE KT QR
ONE KT QR
REAR HUB
ONE KT Disc QR
ONE KT
ONE KT QR
ONE KT QR
RIMS
WTB SX19, 32H
ONE J19SD Sport 24H
ONE J19SD Sport 24H
ONE J19SD Sport 24H
SPOKES
Sapim Leader
Sapim Galvanized
Sapim Galvanized
Sapim Galvanized
TIRES
WTB Wolverine Comp 27,5×2"
Schwalbe CX Comp 24x1,75"
Impac Crosspac 24×2"
Impac Crosspac 20×1,75"
STEM
ONE1 TDS-C301 Alloy, 31.8mm, +6°
Alloy 25,4 mm
Alloy 25,4 mm
Alloy 25,4 mm
HANDLEBAR
ONE1 Alloy, MTB AL-325BT, 6° upsweep, 9° backsweep, 25mm rise, 740mm, 31.8mm
Alloy rised
Steel rised
Steel rised
GRIPS
ONE MTB Lock-on
Velo Junior grip
Velo Junior grip
Widek Transparent Kids
SEAT POST
ONE Sport
HL Corp Alloy
HL Corp Alloy
HL Corp Alloy
SADDLE
ONE WXC
RM Junior
RM Junior
Velo Junior
SIZES
14" (XS), 16" (S), 18" (M)
12,5"
12"
10"
Total WEIGHT
14,0 kg / 16" (S)
9,7 kg
11,6 kg
9,6 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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