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WHISTLER² 3.9 Features
Super simple Groove Go E-bike System. Just push the button and go.
Robust SR Suntour XCM suspension fork with 100 mm suspension travel
Robust drive components from Shimano
Supports your lifestyle
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Less is more
Keep it simple, no overcomplications. That is your maxim. And that is why we have kept the WHISTLER² as simple as possible. Switch on and go!
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Experience even more with the same effort
Your everyday is chock-a-block – so every minute for your hobby counts. The WHISTLER² makes getting from A to B a quick and easy. 252 Wh takes the stress out of biking.
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Consistent brake performance
You need a reliable partner to handle hairy situations. That's why we've equipped our WHISTLER² model with disc brakes – for a consistent braking performance and optimum braking behaviour.

Geometry
XS | S | M | L | XL | ||
---|---|---|---|---|---|---|
A | EFFECTIVE SEAT TUBE LENGTH (MM) | 380 | 420 | 460 | 500 | 540 |
B | Effective Top Tube (MM) | 553 | 575 | 587 | 608 | 623 |
C | Head Tube Angle (°) | 69 | 70 | 70 | 70 | 70 |
D | Effective Seat Tube Angle (°) | 73.5 | 74 | 74 | 74 | 74 |
E | Chainstay (MM) | 447 | 448 | 448 | 448 | 448 |
F | BB Drop (MM) | 48 | 62 | 62 | 62 | 62 |
G | Head Tube Length (MM) | 110 | 100 | 110 | 130 | 150 |
H | Fork Length (MM) | 497 | 517 | 516 | 516 | 516 |
I | Fork Offset (MM) | 42 | 46 | 46 | 46 | 46 |
J | Wheelbase (MM) | 1073 | 1094 | 1106 | 1124 | 1145 |
K | Stack (MM) | 602 | 628 | 637 | 655 | 675 |
L | Reach (MM) | 375 | 395 | 404 | 420 | 430 |

Specification
Battery
Groove Go, removeable
Engine model
GROOVE GO
Motor
Groove Go, 250 W
Battery Ampere hours
7 Ah
Battery Watt-hours
252 Wh
Frame
6061 aluminium, BSA BB, international disc brake standard
Fork
SR Suntour XCM RL, 9 mm QR
Handlebar
Sport Riser, aluminium, risebar, 700mm, rise: 20mm
Saddle
Focus Sport Saddle
Seatpost
Sport Components SP-DC1, 27.2x350 mm
Stem
aluminium, 31.8mm
Tire
Schwalbe Rapid Rob 2.25
Brake levers
Shimano MT200
BrakeSystem
Shimano BR-MT200, 180 mm / 160 mm
Brake type
Disc
Crankset
Samox AF38, 34T
Rear derailleur
Shimano Altus M2000
Shifters
Shimano Altus M2000
Sprocket
Shimano HG200, 11-36T
Gear ratio
front: 34, rear: 11-36
Travel
100 mm
Wheelset
Rodi Viper 21, 27" 584-21, 29" 622-21, Shimano TX-505 CL, 9 mm QR / 9 mm QR