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Mesa Project

Head to head

R1+VSPro SR

Comparing 2 of 3

CAdd a bike

Summary

Claimed figures · blanks excluded
Lightest
R1+154 lb69.9 kg
Biggest battery
R1+3,960 Wh
Best power-to-weight
R1+358 W/kg

Measured against each other

Peak power

  • R1+25 kW
  • Pro SR25 kW

Power-to-weight

Δ 57 W/kg
  • R1+358 W/kg
  • Pro SR301 W/kg

Battery capacity

Δ 360 Wh
  • R1+3,960 Wh
  • Pro SR3,600 Wh

Weight

Δ 29 lb13.1 kg
  • R1+154 lb69.9 kg
  • Pro SR183 lb83 kg

Shorter is lighter.

Front travel

  • R1+228 mm
  • Pro SR—

Rear travel

  • R1+—
  • Pro SR—

Size & stance

To scale, lined up at the rear axle. Rims shown without tires. Hover a bike below to isolate it.

A · wheelbase 50.4 inB · wheelbase 49.6 inSeat height33.3″A32.7″B

Full specifications

Price

Price
$5,199
$5,199

Motor & performance

Peak power
25 kW34 hp
25 kW34 hp
Rated power
—
—
Power-to-weight
358 W/kg (best)CALC
301 W/kgCALC
Torque (as published)
550 Nm406 lb-ft
630 Nm465 lb-ft
Top speed
62 mph100 km/h
62 mph100 km/h

Battery & charging

Battery capacity
3,960 Wh (best)3.96 kWhCALC
3,600 Wh3.6 kWhCALC
Pack voltage
72 V
72 V
Pack amp-hours
55 Ah
50 Ah
Swappable battery
—
—
Range claim
60 mi97 km
62 mi100 km
Charge time
4.5 h
3.5 h (best)

Chassis

Weight
154 lb69.9 kg (best)69.9 kg154 lb
183 lb83 kg83 kg183 lb
Seat height
846 mm33.3 in
831 mm32.7 in
Ground clearance
269 mm10.6 in
279 mm (best)11 in
Wheelbase
1,280 mm50.4 in
1,260 mm49.6 in
Frame
—
—

Suspension

Fork
RFloXa Hawk36R, 228 mm travel
FastAce Pro V fork, adjustable
Front travel
228 mm9 in
—
Shock
RFloXa RAB50RC, 550 lb spring
FastAce Pro V shock, adjustable
Rear travel
—
—

Wheels & brakes

Front wheel
21″
—
Rear wheel
18″
—
Front tire
—
—
Rear tire
—
—
Front brake
—
—
Rear brake
—
—

Electronics

Ride modes
Eco · Sport · Sport +
—
Regen braking
—
—
Display
2" TFT screen with app connectivity
LCD dash, Bluetooth

Ownership

Warranty
1 yr
1 Year Limited Warranty

Highlighted = best among these bikes, where “best” is clear-cut. Range claims and torque are never ranked, because brands measure them differently.