Focus Whistler 3.7
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The Focus Whistler 3.7 is a new MTB hardtail with a SR Suntour NVX30 NLO fork, available in sizes XS/34, S/36, M/42, L/47 and XL/50. For your trail rides, it offers 80mm of travel in XS and S, increasing to 100mm from M to XL.
- Shimano 2x10 drivetrain: The Shimano FC-M4100 crankset uses 36/26 chainrings, paired with 11-36 rear gearing and a Deore M4120 derailleur.
- Hydraulic disc brakes: The Shimano MT200 system uses 160 mm rotors at the front and rear.
- Wheel sizes matched to frame size: Sizes XS and S have 27.5" wheels; M, L and XL use 29" wheels.
- 6061 aluminium frame: The frame features cables routed inside the down tube and a post mount brake fitting.
- Tyres and rims: The specification includes Schwalbe Smart Sam 2.25 tyres and Schürmann YAK 21 rims.
Choose it for your MTB rides, knowing you can add a rack, mudguards, a light and a kickstand to adapt it to your needs.
Manufacturer's details
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A wheel size to suit your height
With WHISTLER, you get the ideal wheel size for your height and needs: WHISTLER in sizes XL to M is equipped with 29 " wheels. Sizes S and XS have 27.5" wheels.
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Reliable braking power and integrated design
When faced with risky situations, you need a partner you can rely on. That is why we have equipped our WHISTLER with disc brakes to ensure consistent braking performance and optimal braking in all weather conditions. We route all cables through the frame's down tube for better protection and durability and a clean appearance.
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Ready for your riding requirements
To let you fully adapt your bike to your needs, you can fit a rack, a mudguard, a light and a kickstand.
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WHISTLER 3.7 Features
Fork SR Suntour NVX30 NLO
Shimano Deore 2x10
Option to fit a rack & mudguards
Specifications
*The manufacturer reserves the right to change the information on the website without notice, including specifications, models, colours and materials.
*Images are for illustrative purposes only and may not correspond to the product description.Size chart

| Segment | Section | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| Size in mm | 340 | 360 | 420 | 460 | 500 | |
| Handlebar width | 720 | 720 | 720 | 720 | 720 | |
| Stem length | 60 | 60 | 60 | 60 | 60 | |
| Crank length | 170 | 170 | 170 | 170 | 170 | |
| Seatpost length | 420 | 500 | 420 | 460 | 500 | |
| A | Seat tube length | 340 | 360 | 420 | 460 | 500 |
| B | Top tube length | 549 | 574 | 606 | 636 | 666 |
| C | Head angle (°) | 68 | 68 | 68 | 68 | 68 |
| D | Seat tube angle (°) | 74 | 74 | 74 | 74 | 74 |
| E | Chainstay length | 440 | 400 | 450 | 450 | 450 |
| F | Bottom bracket drop | 48 | 48 | 60 | 60 | 60 |
| G | Head tube length | 120 | 120 | 120 | 140 | 160 |
| H | Fork length | 497 | 497 | 515 | 515 | 515 |
| I | Fork offset | 42 | 42 | 51 | 51 | 51 |
| J | Wheelbase | 1079 | 1104 | 1155 | 1187 | 1220 |
| K | Stack | 605 | 605 | 630 | 649 | 667 |
| L | Reach | 375 | 400 | 425 | 450 | 475 |