High-quality material: The bike front fork frame is made of high-quality carbon fiber material, which is strong and durable, and has a long service life. MTB Frame: 27.5/29er MTB Frame Carbon Frame Aluminum Rigid Frame, 15.5''/17''/19'' High. Process features: T800 carbon fiber frame, light and flexible, internal wiring. Specifications: Thru-axle booster 12*148mm, maximum tire 29 x 2.1", weight 1239g ± 20g. Package: including frame, if you have any questions, please feel free to contact us, we will reply you in time.