Surge 50

Surge 50

Specs a geometry

FrameAlu 6061
Sizes16.5", 18.0", 19.5", 21.0"
Speed24
ForkSR Suntour NEX 4100 V3, 80 mm
Rear shock-
CranksetShimano FC-M171 42/34/24T
Rear DerailleurShimano Acera RD-M360 SGS
Front DerailleurShimano FD-M190
ShiftersShimano SL-M310
BrakesTektro RS360A / Saccon Alloy v-brake
FreewheelShimano HG31-8, 11-32T
ChainKMC Z51
B.B. setThun Jive JIS
Head setONE IHS 1-1/8.0" Integr.
PedalsFeiming FP-806 Plastic
HubsShimano M70
RimsWeinmann X Star 19 Sport
Tires/TubesImpac Crosspac 26x2.0"
SpokesSapim stainless
GripsShimano
SaddleVelo VL-3135
H/BarHL Steel
StemZoom Alloy
S/PostHL Steel
Motor-
Battery-
Brake levers-
Shift levers-
(system spring/damping)-
(travel)-
Electric drive-
Battery-
Charger-
Travel-
Cityset-
Front Hub-
Rear Hub-
Weight-

Frame size selector

16.5"
18.0"
19.5"
21.0"
Frame size (in)16.518.019.521.0
A Seat tube length (mm)546508457419
B Effective top tube length (mm)575570580586
C Seat tube angle (°)72727272
D Head tube angle (°)71717171
E Chainstay length (mm)430430430430
F Wheelbase (mm)1 0501 0501 0501 050
G Head tube length (mm)150150150150
BB Shell size (mm)BC 1.37*24 / 68
Head tube size (mm)IHS 1-1/8
Seat post diameter (mm)27.227.227.227.2
Seat clamp diameter (mm)31.831.831.831.8
Front derailleur diameter (mm)31.831.831.831.8
Fork lenght (mm)445445445445

Frame size: from the middle of BB shell to the end of seat tube