These are the known mechanical and performance specifications for your 2021 Arch 1s.
Basic Specs
Year2021
MakeArch
ModelArch 1s
TypeSport
CostUS$ 120000. UK £ 90000. MSRP depends on country, taxes, accessories, etc.
Engine
Displacement2032.0 ccm (123.99 cubic inches)
TypeARCH/S and S Cycle T124 45-degree V-twin
DetailsV2, four-stroke
Max RPM
Compression10.8:1
Bore/Stroke104.8 x 117.5 mm (4.1 x 4.6 inches)
Valves/Cylinder
FuelingInjection
Ignition
ExhaustARCH/SC Project MotoGP-inspired titanium/carbon fiber/billet aluminum exhaust
Lubrication
CoolingLiquid
Performance
Horespower120.0 HP (87.6 kW)
Torque163.0 Nm (16.6 kgf-m or 120.2 ft.lbs)
Top Speed
Chassis
Frame TypeBillet and tubular steel frame with CNC machined aluminum backbone and sub-chassis
Rake26.0 deg
Trail112 mm (4.4 inches)
Front SuspensionOhlins / Arch proprietary FGRT series fork, fully adjustable
Front Travel
Rear SuspensionOhlins / Arch proprietary rear shock with reservoir, hydraulic pre-load adjustment, fully adjustable
Rear Travel
Seat
Seat Height
Alt. Seat Height
Total Height
Total Length
Total Width
Ground Clearance
Wheelbase
Dry Weight244.9 kg (540.0 pounds)
Wet Weight
Wheels & Brakes
Front Tire/Tyre3.50-17
Rear Tire/Tyre8.50-17
Front BrakesDouble disc. ABS. 6 piston monobloc radial mount calipers
Front Brake Diameter320 mm (12.6 inches)
Rear BrakesSingle disc. ABS. Four-piston monobloc radial mount caliper
Rear Brake Diameter266 mm (10.5 inches)
WheelsBST Carbon Fiber ”œTurbine” wheels. Michelin Power RS tires.
Comments
ARCH Motorcycles are made i Los Angeles.