| Arch's profilation of this bike | 
  | At the heart of the ARCH 1s sits the 124ci, high-torque ARCH/S and S V-twin downdraft fuel injected engine complimented by an ARCH designed exhaust system. The unique styling of the ARCH 1s utilizes a carbon fiber fuel cell integrating the air intake and filtration system. | 
    
        | General information | 
  
    | Motorcycle name | Arch 1s | 
    | Year | 2021 | 
    | Category | Sport | 
| Price as new | US$ 120000.  UK £ 90000. MSRP depends on country, taxes, accessories, etc. | 
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        | Engine and transmission | 
  
    | Displacement | 2032.0 ccm (123.99 cubic inches) | 
    | Engine type | V2, four-stroke | 
    | Engine details | ARCH/S and S Cycle T124 45-degree V-twin | 
    | Power | 120.0 HP (87.6  kW)) | 
    | Torque | 163.0 Nm (16.6 kgf-m or 120.2 ft.lbs) | 
    | Compression | 10.8:1 | 
    | Bore x stroke | 104.8 x 117.5 mm (4.1 x 4.6 inches) | 
    | Fuel system | Injection | 
    | Cooling system | Liquid | 
    | Gearbox | 6-speed | 
    | Transmission type | Chain  (final drive) | 
    | Clutch | Dry | 
    | Emission details | CARB/EPA compliant. Euro 4. | 
    | Exhaust system | ARCH/SC Project MotoGP-inspired titanium/carbon fiber/billet aluminum exhaust | 
    
        | Chassis, suspension, brakes and wheels | 
  
    | Frame type | Billet and tubular steel frame with CNC machined aluminum backbone and sub-chassis | 
    | Rake (fork angle) | 26.0° | 
    | Trail | 112 mm (4.4 inches) | 
    | Front suspension | Ohlins / Arch proprietary FGRT series fork, fully adjustable | 
    | Rear suspension | Ohlins / Arch proprietary rear shock with reservoir, hydraulic pre-load adjustment, fully adjustable | 
    | Front tire | 3.50-17 | 
    | Rear tire | 8.50-17 | 
    | Front brakes | Double disc. ABS. 6 piston monobloc radial mount calipers | 
    | Diameter | 320 mm (12.6 inches) | 
    | Rear brakes | Single disc. ABS. Four-piston monobloc radial mount caliper | 
    | Diameter | 266 mm (10.5 inches) | 
    | Wheels | BST Carbon Fiber “Turbine” wheels.  Michelin Power RS tires. | 
    
        | Physical measures and capacities | 
  
    | Dry weight | 244.9 kg (540.0 pounds) | 
    | Power/weight ratio | 0.4899 HP/kg | 
    
        | Other specifications | 
  
    | Color options | White/grey/red/black | 
    | Starter | Electric | 
    | Instruments | Digital | 
    | Light | LED headlight | 
    | Comments | ARCH Motorcycles are made i Los Angeles. | 
| Update specs | Report missing specs or required updates. | 
    
        | Further information | 
  | Insurance costs | Compare US insurance quotes from the nation's top providers. | 
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. | 
| Ask questions | Join the 21 Arch 1s discussion group or the general Arch discussion group. | 
| Related bikes | List related bikes for comparison of specs. | 
    
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