Arch 1s vs Harley-davidson Forty-eight
Side-by-side comparison for used motorcycle buyers
Arch 1s vs Harley-davidson Forty-eight. Arch 1s: Approximately 122 hp @ 5,900 rpm (note: based on S&S 124ci engine specs, exact tuning may vary per build) hp, Approximately 272 kg (wet/curb weight; note: exact figure varies by configuration) weight, top speed Approximately 193 km/h (estimated; official figure not formally published), Motoryk rating 8.2/10. Harley-davidson Forty-eight: 60 hp @ 6,000 rpm hp, 253 kg (wet/curb weight) weight, top speed 170 km/h, Motoryk rating 7.5/10.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"A serious motorcycle wearing a showpiece reputation it doesn't deserve."
"A charismatic city scramblers that demands realistic expectations about range and comfort."
Top 10 Accessories
Picks that work on either bike.





