# 哪些山地自行车是现有最轻且最便携的？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

What are the lightest and most portable mountain bikes available?

## 产品列表

### Specialized S-Works Epic 9 Ultralight LTD
```yaml
product: specialized-s-works-epic-9-ultralight-ltd
brand: Specialized
price_gbp: 10818.53
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
weight: 8.56 kg
wheel_size: 29 in
gear_number: 12-speed
braking_system: TRICKSTUFF Piccola 2-piston
frame_material: S-Works FACT 12m Carbon
suspension_type: Full suspension (RockShox SID SL Ultimate front, RockShox SIDLuxe Ultimate rear)
```

- **价格:** £10818.53 [^1]
- **概述:** A feather‑light, race‑focused full‑suspension XC bike built on a S‑Works FACT 12m carbon frame with 110mm front/rear travel (size M) and high‑end RockShox SL suspension, lightweight Roval wheels, SRAM XX SL drivetrain, and Trickstuff Piccola brakes. It targets elite cross‑country racers seeking the lightest production full‑suspension bike for maximum acceleration and efficiency. The production weight is about 8.56 kg (size M).
- **最适合:** 适合追求最轻便、便于携带的越野骑手；由于采用了 1,589 g 的 S‑Works FACT 12m Carbon 车架且整车配重约为 8.56 kg，可最小化运输质量并实现更快的加速。
- **附加来源:** [^2], [^1], [^2]

---
## 参考来源
[^1]: Specialized, 访问日期 2026-06-16. https://www.specialized.com/us/en/s-works-epic-9-ultralight-ltd/p/4291037
[^2]: Bike Depot, 访问日期 2026-06-16. https://www.bikedepot.com/products/specialized-s-works-epic-9-ltd-ultralight