A China-built, US-imported sport-naked that undercuts Zero on price and out-batteries it, if you can find a dealer to sell you one. We decode the range claim, run the cost, and tell you who the trade actually suits. Sources on everything.
Zero-rival performance and a bigger battery for less money, in exchange for a thin support network. Plan for ~65 real miles (not 130), 47 hp and an 80 mph ceiling, J1772 public charging on a budget bike, and a $11,995 sticker about $1,000 under Zero's entry models.
Assumptions: street-legal motorcycle (registration + insurance, varies widely), ~1,500 mi/yr, $0.17/kWh, resale modeled at ~45% of MSRP at year five given the thin US network. Full table in §10.
Every module behind the headlines: who it is for, claims vs. physics, true cost, reliability, parts, and the standard scorecard. All sourced.
A street-legal electric naked from Jiangsu Keyroad in China, sold in Europe as a Tinbot and badged Kollter for North America. It is pitched at the entry-level Zero buyer: 80 mph, 47 hp, and an 8.6 kWh pack, all for $11,995. That battery is bigger than a Zero FXE's 7.2 kWh, and the price lands about $1,000 below Zero's cheapest. The catch is the support network. Judge it on 65 honest miles, not 130 hopeful ones. Here is exactly how we get there.
Start here, the right answer depends entirely on who is asking.
Same bike, very different answer depending on the rider. We lead every report with this so nobody buys the wrong machine.
The sweet spot. If you want the cheapest path to a real, fast-charging-station-compatible electric motorcycle and you have an importer you trust nearby, the range-per-dollar math is genuinely attractive. A bigger battery than a Zero FXE for less money.
A good fit. 65 honest miles, 80 mph for keeping highway pace, and J1772 charging make this a capable daily commuter, as long as a specialist importer is within reach for service.
Fun, within limits. 0 to 100 km/h in about 4 seconds and a competent naked chassis are genuinely entertaining, but ride it hard and the real range drops toward the low end. It is a commuter-class naked, not a flagship.
Wrong fit. The Tinbot/Kollter US presence is small, handled through specialist importers, not a national dealer body. If you need a service center on every corner, an established brand is the safer call.
Same bike, two stories. The struck-through line is what the listing tells you; the big number is what to actually expect. The "why" is in Part C.
What is genuinely clever, and which "innovations" are really table-stakes. The part the brand's own page never tells you.
The RS1's selling points, rated honestly. The real story here is value engineering, not exotic tech. Each badge tells you what is a genuine edge and what is normal for the class.
On a sub-$12k bike, the ability to top up at public Level 2 EV stations, not just a home wall outlet, is rare and genuinely useful. You plan around charge points the way EV-car owners do.
✓ Solid edge for the priceThe headline trick. That pack is meaningfully larger than the 7.2 kWh in a Zero FXE, while the bike costs about $1,000 less. On paper it is one of the better range-per-dollar plays in the class.
★ Genuine edgeA 35 kW peak mid-motor drives the rear wheel by chain, good for 0 to 100 km/h in about 4 seconds and an 80 mph ceiling. Enough to keep up with traffic and have fun, without the intimidating shove of a flagship.
✓ SolidA two-lever CBS links the brakes to aid new-rider braking. A sensible, helpful feature on an entry-class bike, but combined and linked braking systems are now common across the segment.
≈ Now standardInverted forks, a rear monoshock, dual discs, and a 417 lb curb weight that is reasonable for the segment. It rides like what it is: a competent commuter-class naked, not a track weapon.
≈ Class-typicalMarketing specs vs. the physics. The math is simple, battery capacity and a few formulas, so let us run it.
Here Kollter is fairly honest. The peak number is a peak number, and the 47 hp it converts to is genuinely usable for the class. Run the conversion everyone feels:
That 47 hp puts the RS1 right alongside a Zero FXE's 46 hp, and the 80 mph top speed is on the higher end of the entry-class group. The mid-motor and chain final drive are conventional, proven, and easy for any mechanic to understand, which matters more than you would think on an import with a thin dealer network.
The headline gap. The claim is not a lie, it is a steady-speed lab figure you will not see riding a sport-naked the way it invites. Here is the arithmetic, anchored to the maker's own numbers.
Step 1, real energy in the tank. The pack is 8.6 kWh on a 72V system. Voltage × amp-hours gives the energy:
Step 2, the speed tells the whole story. Kollter's own figures make the gap explicit: about 120 miles at a steady 40 mph, but only about 65 miles at a steady 60 mph. Drag rises with the square of speed, so 20 mph more nearly halves the range.
80 mph claimed, and press from Electrek and others treat it as real. Genuinely honest. But holding 80 mph is exactly what destroys the range above.
Sustained high speed draws hard just to overcome drag, so consumption climbs steeply and range falls below even the 65 mile mark. The 130 miles and the 80 mph on the same spec sheet are not available together: you get one or the other on a charge.
That is the single most useful thing to understand before buying any electric bike: the range and the top speed live at opposite ends of the throttle, and you choose one each time you ride.
Charge time is just battery size ÷ charger power. The RS1's standout is the connector, not raw speed, and the numbers vary by source, so we run the method and flag what is uncertain.
The sticker is the smallest number in the story. Here is the whole bill.
The MSRP is a headline, not a checkout total. Here is what actually leaves your bank account on day one.
| Line item | Typical | Notes |
|---|---|---|
| Bike (MSRP) | $11,995 | Via US specialist importers |
| Shipping / freight | varies | Import; confirm with the dealer |
| Sales tax (~8%) | ~$960 | Varies by state |
| Registration / title | varies | Street-legal motorcycle; state fees |
| Starter gear (helmet, jacket, gloves) | $500–$900 | Non-negotiable at 80 mph |
| Realistic out-the-door | ≈ $13,500–$14,000 | Before a single mile |
The number almost no one shows you. We itemize it, show the math, and state every assumption so you can adjust it to your own riding. The resale line is the least certain, given the thin US network.
| Cost over 5 years | Estimate | What drives it |
|---|---|---|
| Purchase (MSRP) | $11,995 | Excl. gear; tax/freight vary |
| Gear (one-time) | $700 | Helmet, jacket, gloves |
| Electricity (charging) | ~$140 | Almost nothing, math below |
| Insurance + registration | ~$1,700 | Motorcycle; varies widely by state |
| Service / consumables (chain, tires, brakes) | ~$500 | Chain drive needs upkeep; ~$100/yr |
| Battery (replace) | $0 | None expected in 5 yr |
| 5-year total (before resale) | ≈ $15,000 | |
| Resale value (yr 5, est.) | − $5,700 | ~45% MSRP; thin network, uncertain |
| Net est. cost to own | ≈ $9,300 | ≈ $1,860 / year |
What breaks, who fixes it, and whether you can get parts.
The RS1 is a low-volume import with a small US footprint, so deep long-term owner data is limited. We will not invent a reliability verdict from thin evidence. Here is what is known, framed honestly.
A bike is only as ownable as its parts supply. Here the RS1 is workable but thin: factual, not flattering.
Common wear items, tires, brake pads, chain, and sprockets, follow standard motorcycle sizes and are easy to source from any parts supplier. Model-specific items, the battery, controller, bodywork, and electronics, route through the Tinbot/Kollter importer network, which is small in the US. There is no broad third-party aftermarket. Factor in shipping time and confirm parts availability with your importer before buying.
| Part category | Availability | Notes |
|---|---|---|
| Tires, brake pads, chain, sprockets | good | Standard motorcycle sizes |
| Battery (OEM 72V) | via importer | Proprietary; confirm pricing/lead time |
| Controller / electronics | via importer | Small network; allow shipping time |
| Bodywork / model-specific | importer only | Limited; no broad aftermarket |
One scorecard, identical axes on every bike.
Every e-moto on the site is scored on these same eight axes, by the same rules, so a 7 here means the same thing as a 7 anywhere.
Our standing methodology, run identically on every e-moto, including bikes we would otherwise have reason to flatter.
The only honest way to compare two batteries. 72V × ~120Ah holds 8.6 kWh nominal.
You never use 0 to 100%. The BMS holds a reserve and voltage tapers at the bottom. We assume ~88%.
Consumption is the lever: ~66 Wh/mi at 40 mph, ~117 at 60 mph. Drag rises with speed².
Always ask which number a spec quotes. 35 kW peak = 47 hp here.
"Fast charging" is meaningless without the charger's wattage. The ×1.1 covers losses and taper.
| Cost assumption | We used | Change it if… |
|---|---|---|
| Annual mileage | 1,500 mi/yr (7,500 / 5 yr) | You ride more → service & tires rise |
| Electricity rate | $0.17 / kWh (US avg) | Your utility differs |
| Sales tax | ~8% | Your state differs |
| Battery life | No replacement in 5 yr | Very hard use → sooner |
| Resale | ~45% of MSRP at yr 5 (est.) | Thin network; uncertain both ways |
We cite everything and date it, because specs, prices and tariffs change. Manufacturer figures are labeled as claims; real-world numbers are our estimates from the methodology above. Spot an error? Our corrections policy means we fix it in public.
Sources retrieved May 2026. Manufacturer and listing pages state claimed specs; treat them as marketing figures, not independent tests. The voltage-times-amp-hours split (~120 Ah) is derived from the 72V / 8.6 kWh figures; quoted charge times differ between sources, so we treat them as approximate. We re-check prices and import duties periodically because they move quickly.