Four-Link Soft Tail Frame for Downhill Bikes – 27.5/29ER Boost, 148mm, 6061 Aluminum, Full Suspension

Key Features & Benefits:

• Versatile Compatibility:

  • Specifically designed for 27.5″ and 29″ ER mountain bikes, with options available in S/M/L sizes.
  • Compatible with both cable pull disc brakes and hydraulic disc brakes, ensuring a seamless fit with your preferred braking system.

• Robust & Lightweight Construction:

  • Made from high-quality 6061 aluminum alloy, offering a perfect balance between strength and minimal weight.
  • Optimized for aggressive downhill riding while maintaining responsive handling and durability.

• Optimized Geometry & Component Integration:

  • Hub width of 148mm (adapter available for 142mm), supporting 8/9/10/11/12-speed drivetrains.
  • Designed with a seat post diameter of 30.9mm (compatible with inner cable droppers) and a bottom bracket specification of BC1.37″ x 73mm x 24T.
  • Supports tire widths up to 27.5×2.7″ or 29×2.5″ for maximum traction and control.

• Advanced Suspension & Brake Compatibility:

  • Rear shock compatibility with 210mm travel and bushing sizes of 22mm and 32mm, delivering a rear wheel travel of 155mm (option for 175mm with trunnion version).
  • Designed for 180mm disc brakes (with an adapter for 203mm disc plates), ensuring reliable stopping power in demanding conditions.

• Precision Detailing:

  • Features a crown area (CL 49-52mm) that supports 30T-38T chainrings and an UDH rear hanger for optimized suspension performance.
  • Engineered for both inner and outer cable routing, offering versatility in installation and maintenance.

• Durable & Warranty-Backed:

  • Comes with a 3-year guarantee for added peace of mind, ensuring long-term performance and reliability.
  • Package includes the frame, headset, seat post clamp, and rear thru axle (rear shock not included).

Transform your riding experience with this cutting-edge full suspension frame, designed to provide superior handling, precise control, and unmatched durability on the most challenging downhill trails.

Original Seller Description

Model: Four-link soft tail frame

Size: 27.5/29ER

Material: 6061 aluminum alloy

Features:

1. SIZE: 27.5″/29″*S/M/L mountain bike frame for aluminum alloy disc brake
2. HEATSET: 44/55MM tapered
3. All-pass inner cable sinus compatible cable pull disc brake/hydraulic disc brake

4.HUB WIDTH: 148MM(it is compatible with 142mm,you can use apater to change), SUPPORT 8/9/10/11/12SPEED

5. Seat POST: 30.9MM(can be inner cable dropper)
6. Bottom bracket: BC1.37″*73mm*24T, compatible with most of the bearings on the market, the length of the bottom bracket, please choose according to the chain ring!

7, TIRE: Support 27.5X2.7″,or 29X2.5″ max width.

8. REAR SHOCK: 210MM（）, Bushing size: 22MM and 32MM
9. CL 49-52MM, support 30T-38T crown

10.UDH rear hanger

11.Compatible with tire size 29 & 27.5 inch

12.Weight:about 3.75KG

13.Disc size:180mm(203mm disc plate,need adapter)

14.Rear wheel travel:155mm

(If you like more longer travel:175mm,please check thr trunnion version:

https://www.aliexpress.com/item/1005008474455598.html

15.Can be for all inner cable or all outer cable;

16.Guarantee: 3 years

Package List:

1.FrameX1

2.HeadsetX1

3.Seat post clampX1

4.Rear Thru AxleX1

(Not including rear shock!)