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THUNDER 20 VB
THUNDER 20 VB
CATHERINE 27 VB
CATHERINE 27 VB
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FRAME
Alloy Al-6061 T6 Custom tubing, Junior Trail Geometry, Shark Spine Semi, BB BSA 68mm, V-brake pivots, Fender Ready Dropout, Replaceable RD Hanger, Kickstand mount
Alloy Al-6061 T6 Custom tubing, Junior Fun Geometry, BB BSA 68mm , V-brake pivots, Fender Ready Dropout, Replaceable RD Hanger, Kickstand mount
HEAD SET
CH290TBW, 1-1/8"
FSA Orbit 1.5E No.57B, Zero Stack, 1-1/8"
FORK
Thunder 20", Alloy Custom Tubing, Ahead 1-1/8", V-Brake, QR Type
SR Suntour XCE 28P, 1-1/8", Coil, QR Type, 80mm travel
GEARS
1x7
1x7
SHIFTER
microSHIFT DS45-7R, 7-speed
SHIMANO TY SL-RS45-7R RevoShift, 7-speed
REAR DERAILLEUR
SHIMANO TX RD-FT35-A
SHIMANO TY RD-TY500
CRANKSET
Wheel Top SXB4BL-MS, 28T
Wheel Top SXB4BL-MS, 32T
CASSETE
SHIMANO CS-HG200-7, 12-28T
SHIMANO MF-TZ500-7, 14-34T
BOTTOM BRACKET
Thun Topaz 120mm, BSA, shell 68mm
Thun Topaz 120mm, BSA, shell 68mm
CHAIN
KMC Z8.3
KMC Z8.3
PEDALS
Marwi SP-202
Marwi SP-400
HANDLEBAR
ONE1 Alloy, MTB AL-153BT, 10° backsweep, 30mm rise, 560mm, 25.4mm
ONE1 Alloy, MTB AL-325BT, 6° upsweep, 9° backsweep, 25mm rise, 660mm, 31.8mm
STEM
ONE1 MAS-M30258 Alloy, 25.4mm, 10°
ONE1 TDS-C342 Alloy, 31.8mm, +3°
GRIPS
Velo VLG-311
Velo VLG-213
BRAKES
Tektro V-brakes
Tektro V-brakes
SADDLE
ONE1 Junior
ONE1 Junior
SEAT POST
ONE1 Alloy, SP C207, 27.2mm
ONE1 Alloy, SP C207, 27.2mm
FRONT HUB
ONE1 KTA55F, 20H, M9x100mm, QR Type
ONE1 KTA55F, 28H, M9x100mm, QR Type
REAR HUB
ONE1 KTAZ2R, 20H, M10x130, CASSETE, QR Type
ONE1 KTA52R, 28H, M10x135, FREEWHEEL, QR Type
RIMS
Stars J19SD, 20H
Stars J19SZ, 28H
TIRES
Schwalbe CX Comp KevlarGuard, 20x1.75", Reflective tape
WTB Wolverine SS Comp, 27.5x2.00"
SPOKES
Sapim Galvanized Black
Sapim Zinc
Total WEIGHT
8.3kg
12.4kg
Rock Machine Research&Development

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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.

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