# Which mountain bikes have the best suspension systems for a smooth ride? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which mountain bikes have the best suspension systems for a smooth ride?

## Products

### Polygon Siskiu T8
```yaml
product: polygon-siskiu-t8
brand: Polygon
price_gbp: 1792.27
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 14.4 kg
wheel_size: 27.5 in or 29 in
gear_number: 12
braking_system: Hydraulic disc brakes
frame_material: ALX Alloy
suspension_type: Full suspension (Fox 34 fork and Fox Float DPS rear shock)
```

- **Price:** £1792.27 [^1]
- **Summary:** The Polygon Siskiu T8 is a mid-travel full-suspension trail bike built on an ALX alloy frame with size-specific 27.5 in or 29 in wheels and a Fox suspension package (Fox 34 fork and Fox Float DPS shock). It pairs modern trail geometry with a 1x12 Shimano SLX drivetrain and hydraulic disc brakes, suited for aggressive trail riding and confident descending. The bike is available in multiple builds and sizes to match rider preference.
- **Ideal For:** Ideal for riders seeking the best suspension for a smooth ride because it uses a Fox 34 Rhythm fork and Fox Float DPS rear shock with 135-140 mm travel tuned for trail damping and control.

---
## References & Sources
[^1]: OutdoorGearLab, accessed 2026-06-14. https://www.outdoorgearlab.com/reviews/biking/mountain-bike-under-3000/polygon-siskiu-t8