The Zero SR/F and LiveWire S2 Alpinista compete in the electric naked bike segment. Both target riders who want performance with daily usability. The SR/F focuses on higher output and longer-distance riding. The Alpinista focuses on lighter weight and urban agility.
Range favors the SR/F. It delivers up to 176 miles city and about 117 miles highway, while the Alpinista reaches about 120 miles city and 71 miles highway. Charging differs in execution. The SR/F uses a 6.6 kW onboard charger with about 95 percent charge in close to one hour on fast Level 2 setups. The Alpinista supports Level 1 and Level 2, with 20 to 80 percent in about 78 minutes, though it lacks higher-speed DC charging options.

Pricing places the SR/F in the premium bracket at around $20,495, while the Alpinista sits lower at about $16,000. Availability for both centers on North America and Europe, with limited reach in other regions. This comparison helps you decide between higher performance with range versus lighter urban usability at lower cost.
Within Zero Motorcycles, alternatives include the Zero SR/S and Zero S. SR/F rivals include the Energica Experia and LiveWire ONE. From LiveWire, other models include the LiveWire S2 Del Mar and LiveWire S2 Mulholland. Alpinista rivals include the Zero FXE and Cake Kalk&.
The Zero SR/F offers longer range, stronger top-end performance, and faster Level 2 charging capability, but higher price and heavier weight reduce city comfort. The LiveWire S2 Alpinista offers lighter handling, lower price, and strong city performance, but shorter range and lower top speed limit highway use.
Quick verdict: pick the SR/F for range and higher-speed riding. Pick the S2 Alpinista for city use and lower entry cost.
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| Price | $20,200.00 $15,999.00 |
| Our Rating | |
| Brand | Zero LiveWire |
| Category | Motorcycles Motorcycles |
| Announced | February 2019 January 2025 |
| Status | In production and widely available. In Production (Model Year 2025) |
| Base Price | Varies by model year and region. The base price for the 2024 model in the US is around $20,200. ~$15,999 USD (Initial MSRP), now available with promotional pricing from ~$11,999 USD |
| Models | Standard and Premium (Premium includes a 6.6 kW integrated charger and heated grips). S2 Alpinista |
| Battery Type | Z-Force® Li-Ion intelligent integrated. Lithium-ion |
| Battery Capacity | 17.3 kWh (maximum) / 15.1 kWh (nominal). An optional Power Tank can increase the max capacity to nearly 21 kWh. 10.5 kWh (Nominal) |
| Motor | Z-Force 75-10 enhanced thermal efficiency, passively air-cooled, interior permanent magnet AC motor. LiveWire S2 Arrow |
| Rated / Max Power | 54 hp (continuous) / 110 hp (peak). 84 hp (63 kW) |
| Max Torque | 140 ft-lb (190 Nm). 194 lb-ft (263 Nm) |
| Charging Input Voltage | Compatible with standard household outlets (Level 1) and Level 2 EV charging stations. Level 1 (AC) - 110V Level 2 (AC) - 220V to 240V |
| Charger Output | 3 kW (Standard model) or 6.6 kW (Premium model) integrated charger. |
| Charging Time | Level 1 (Standard Household): ~11.6 hours (100% charged) Level 2 (6.6 kW Charger): ~2.7 hours (100% charged) Level 2 with optional 6 kW Rapid Charger: ~1.6 hours (100% charged) Level 1: 20-80% in ~5.9 hours Level 2: 20-80% in ~78 minutes |
| Top Speed | 124 mph (200 km/h) 99 mph (159 km/h) |
| Range |
City: 187 miles Highway (70 mph): 93 miles Combined: 124 miles City: 120 miles (193 km) Combined: 89 miles (143 km) Highway (Sustained 55 mph): 71 miles (114 km) |
| Length x Width x Height | 82.6 x 34 x 46.8 in (2098 x 864 x 1190 mm) |
| Wheelbase | 57.1 in (1,450 mm) 56.8 in (1442 mm) |
| Ground Clearance | 4.92 in (125 mm) |
| Seat Height | 31.0 in (787 mm). Accessory low (770 mm) and tall (810 mm) seats are available 31.18 in (792 mm) |
| Weight | 500 lbs (227 kg) 434 lb (197 kg) |
| Front Tyre | Pirelli Diablo Rosso III 120/70-17 Dunlop® RoadSmart IV 120/70 ZR17 |
| Rear Tyre | Pirelli Diablo Rosso III 180/55-17 Dunlop® RoadSmart IV 180/55 R17 |
| Braking System | Bosch Advanced MSC (Motorcycle Stability Control) with dual J-Juan radial 4-piston calipers and 320 mm discs (front) and a J-Juan single-piston floating caliper with a 240 mm disc (rear) Brembo®, Front: Monobloc 4-piston caliper with floating disc and Cornering-Enhanced ABS Rear: Single-piston floating caliper with fixed disc and Cornering-Enhanced ABS |
| Suspension (Front/Rear) | Front: Showa 43 mm Big Piston Separate Function forks, fully adjustable. Rear: Showa 40 mm piston, piggy-back reservoir shock, fully adjustable. Showa® Front: Fully adjustable 43 mm inverted forks Rear: Free piston monoshock with progressive linkage, adjustable preload and rebound damping |
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