Ariel Leader 4 Prototype (1962) vs BMS Choppers Road Star (2004) vs BMS Choppers Roadliner S (2013) vs BMS Choppers Blue Crush Warrior (Yamaha Road Star Warrior) (2004) vs Barigo Supermotard 600 (1991-92) vs Brammo Empulse Police LE (2014-)

Comparison technical specifications

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Make:	Ariel	BMS Choppers	BMS Choppers	BMS Choppers	Barigo	Brammo
Model:	Leader 4 Prototype	Road Star	Roadliner S	Blue Crush Warrior (Yamaha Road Star Warrior)	Supermotard 600	Empulse Police LE
Years:	1962	2004	2013	2004	1991-92	2014-
Starting:	Electric	Electric	Electric	Electric	Electric start	Electric
Transmission:	4-Speed	5-Speed, wide ratio	5-Speed	5-Speed, close ratio	5 Speed	IET™ 6 speed
Final Drive:	Shaft	Belt	Belt	Belt	Chain	Chain, 520 O-ring
Frame:	Pressed steel frame with leg shields	Double tube cradle, single sided swingarm	Lightweight aluminium	Double tube cradle, twin sided swingarm, aluminium frame	Perimeter aluminium, removable rear section	Brammo E-Beam Aluminum, Fabricated by Accossato in Italy. Lightweight extruded and welded aluminum - serves a battery tray (patent pending). Sub-frame of tubular steel
Front Brakes:	Drum	Dual Ø298 mm discs, 4 piston calipers	Dual Ø298 mm discs, 4-piston caliper	Dual Ø298 mm discs, 4 piston calipers	Single 310 mm floating disc, 4 or 6 piston Beringer calliper	Dual Ø310 mm Brembo floating disk with twin four piston hydraulic Brembo brake calipers, radial mount.
Rear Brakes:	Drum	Single Ø320 mm disc, 2 piston caliper	Single Ø320 mm disc, single piston caliper	Single Ø282 mm disc, 2 piston caliper	Single 220 mm disc, single piston calliper	Brembo single disk with dual piston hydraulic Brembo brake caliper
Wheelbase:	1448 mm / 57 in	1689 mm / 66.5 in	1715 mm / 67.5 in	1699 mm / 65.7 in	1520 mm / 59.8 in	1473 mm / 58.0"