15.5"/17"/18" Mountain Bike Suspension Frame 27.5/29er Aluminium Alloy Bike Frame DH/AM Disc Brake Frame 12 * 148mm Thru Axle Boost Frame, with Rear Shocks(Black,29 * 15.5in)

15.5/17/18inch Full suspension mountain bike frame, 27.5/29ER Soft tail Disc brake bike frame, 12*148mm BOOST thru-axle frame, Perfect gift for bike lovers, can be assembled with your friends.Product name: Aluminum Alloy mountain Bikes frameFrame higth：15.5",17",18"For wheel：27.5''/29" wheelsMaximum tire width: 29*2.5"(27.5*2.8")Level: DH/AMMaterial: Aluminum Alloy Weight: about 3750gColor: Silver, Black, White, Green, White-GraySpecifications: Headset: 44*55mmSeatpost: 30.9mmSeatpost Clamp: 34.9mmRear wheel travel: 160mmbike forks travel: 160mm（Supports Straight Tube or Tapered Tube forks）Boost thru-axle: 12*148mm( 142mm thru-axle can be installed with adapter )Shock absorber: 210*55mm (oil spring or air pressure); 216*63mm(air pressure)Bushing: 32-22mmChainring: 30/32/34T(Max 34T)Bottom Brackets: BSA BB73mmBrake: A-pillar disc brake, PM 75mm, Directly mounted with 180mm disc brake rotor, 203mm requires an adapter seat. Cable : external routing ; internal routing（Internal and external routing are available）Rear Shock Absorber: Manual Remote210mm Pneumatic Shock AbsorberTravel: 53mmBushing: 24mmWeight: about 296gMaterial: 7075+6061 Aluminum Alloy Features: 1. Its three-stage locking system, this shock absorber provides enhanced stability and control, ensuring maximum safety and comfort while riding. 2. Damping Adjustment: The damping adjustment feature allows you to adjust the stiffness of the shock absorber, giving you total control over your ride.3. Pneumatic Structure: The pneumatic structure of this shock absorber provides a smooth and comfortable ride, making it ideal for both amateur and professional riders.4. Soft and Hard Adjustment: The pneumatic soft and hard adjustment feature lets you choose between a soft or hard ride, depending on your preference

• Full suspension bike frame: 15.5"/17"/18" Mountain bikes frame, DH/AM soft tail frame , 12*148mm Boost Thru Axle Frame, can fit outer tire max width 27.5*2.8", 29*2.5".
• Disc brake frame: PM75mm A-pillar disc brake, Directly mounted with 180mm disc brake rotor. Seatpost 30.9mm, Seatpost Clamp 34.9mm, 44*55mm tapered headsets, BSA BB73mm threaded Bottom Brackets. Rear wheel travel 160mm, bike forks travel 160mm, bushing 32-22mm.
• Rear Shock Absorber: 210mm air pressure Shock Absorber. Travel 53mm, Manual Remote, American valve. Its three-stage locking system, this shock absorber provides enhanced stability and control, ensuring maximum safety and comfort while riding. Damping Adjustment, Pneumatic Structure, Soft and Hard Adjustment. Can reach the highest air pressure up to 275psi!
• Aluminum Alloy frame: Aluminum alloy Material, Lightweight aluminum alloy has good welding performance, so that the frame has a high strength and not easy to break characteristics.
• Package: Includes frame, 210mm Pneumatic Shock absorber, Rear Thru axle lever, headset, Seatpost Clamp, Derailleur Hanger and Cable Clip. Perfect gift for bike lovers, can be assembled with your friends. If you have any questions about the bike frame, please contact me and I will be happy to help you.