Sunbeam Model 90 (1928-33) vs Derbi Senda Terra 125 Adventure (2008) vs Derbi Senda R 125 4T (2008-) vs Sunbeam Model 1, Model 2 (1923-30) vs Sunbeam Model 9 (1924-27)

Comparison technical specifications

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Make:	Sunbeam	Derbi	Derbi	Sunbeam	Sunbeam
Model:	Model 90	Senda Terra 125 Adventure	Senda R 125 4T	Model 1, Model 2	Model 9
Years:	1928-33	2008	2008-	1923-30	1924-27
Engine:	Single cylinder, four stroke, SOHV	Four stroke, single cylinder. OHC	Four stroke, single cylinder. OHC	Single cylinder, side valve	Single cylinder, OHV
Capacity:	493 cc / 30.1 cu in	124 cc / 7.6 cu-in	124 cc / 7.6 cu-in	347 cc / 21.2 cu	493 cc / 30.1 cu in
Bore x Stroke:	80 x 98 mm	56 x 49 mm	56 x 49 mm	70 x 90 mm	80 x 98 mm mm
Cooling System:	Air cooled	Air cooled	Air cooled	Air cooled	Air cooled
Starting:	Kick	Electric	Electric	Kick	Push
Final Drive:	Chain	Chain	Chain	Enclosed chain	Chain
Front Suspension:	Druid-pattern, girder forks	37mm Telescopic forks	41mm Paoli forks	Druid forks	Druid forks
Rear Suspension:	Rigid, spring loaded saddle	Paoli monoshock	Paoli monoshock	Rigid, spring loaded saddle	Rigid, spring loaded saddle
Front Brakes:	Drum	Single 280mm disc	Single 260mm disc	Drum	Drum, internal expanding
Rear Brakes:	Drum	Single 220mm disc	Single 220mm disc	Drum	Drum, internal expanding