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Technical Overview
2019 Derbi Senda Racing 50SM Technical Analysis & Specification Breakdown
Built around Derbi's super motard motorcycle platform, the 2019 Derbi Senda Racing 50SM relies on a 50 cc (3.1 cu in) liquid-cooled single cylinder, two-stroke powerplant. Internal engine geometry specifies a bore and stroke of 39.9 x 40.0 mm (1.6 x 1.6 inches) with a 11.5:1 compression ratio.
On the scales, the Senda Racing 50SM measures 104 kg (229 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 865 mm (34.1 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,390 mm (54.7 in) wheelbase engineered for quick, flickable steering geometry. The 7-liter (1.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
865 mm (34.1 in)
Engine
Displacement50.0 ccm (3.05 cubic inches)
Engine TypeSingle cylinder, two-stroke
Compression11.5:1
Bore x Stroke39.9 x 40.0 mm (1.6 x 1.6 inches)
Fuel SystemCarburettor. 17.5 mm
IgnitionCDI
LubricationOil pump
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchWet Multiplate
Performance
Emission DetailsEuro 4
Chassis
Frame TypeTwin-tube steel frame
Front SuspensionTelescopic hydraulic fork with Ø 37 mm stanchions,
Rear SuspensionSwingarm in high resistance steel. Hydraulic monoshock absorbe
Wheelbase1390 mm (54.7 inches)
Wheels & Brakes
Front Tyre80/90-21
Rear Tyre110/80-18
Front BrakesSingle disc. Dual piston floating calliper
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Weight incl.104.0 kg (229.3 pounds)
Seat Height865 mm (34.1 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
