FS838 HVP 29er Boost Enduro MTB Full Suspension Frame

suspension frame size chart

Carbon Fiber Full Suspension Mountain Bike Frame

  • It features the HVP (High Virtual Pivot) suspension system for improved pedaling efficiency, enhanced traction, and superior downhill control—ideal for aggressive enduro riders.
  • Designed for full suspension mountain bike performance, it delivers balanced handling and confidence on steep descents and technical climbs.
enduro frame mtb full suspension carbon

Model NO.: FM838
Size: only M size now
Material: Toray T800+T1000 carbon fiber
Headset: 41.8/52mm tapered
Rear shock: 205x65mm
Hanger: UDH rear hanger
Max Tire: 29er*2.4″/27.5er*2.5

SeatPost: Φ31.6mm
Thru Axle: 148*12mm
Max Crank: 36T
Weight: 2650+/-50g(M)
Bottom Bracket: BSA 73mm
Cable: internal cable routing
Bake: disc brake 180mm, max 223mm

Travel: rear 170mm, recommended fork travel: single shoulder 170mm~190mm, double shoulder MAX 190mm
Bushing size: bottom is 22*8mm, top is the screw type on both sides.
Package includes: frame+clamp+headset+thru axle+other accessories shown

With guard plate+low and high kickback guide wheel 

  • Lower Guard Plate: Protects the downtube and BB area from impacts and debris.

  • Low Kickback Guide Wheel: Reduces pedal feedback and improves suspension efficiency.

  • High Pedal Guide Wheel: Maintains chain tension and smooth power transfer.

High Virtual Pivot suspension frame

High Virtual Pivot

  • FS838 is engineered with a high virtual pivot design, this suspension frame delivers exceptional rearward axle path, enhanced traction, and controlled anti-squat characteristics for aggressive terrain and big hits.

Headset 41.8/52mm Tapered

  • It ensures precise steering and front-end stiffness.

  • Better strength-to-weight ratio than straight headsets, ideal for enduro MTB and trail bike frames.

31.6mm Seat Post Size

  • 31.6mm carbon seatpost offers an ideal balance of stiffness, comfort, and durability—reducing flex on aggressive rides while enhancing bike handling and power transfer efficiency.

With Crankset Protective Plate

  • A crankset protective disc on an enduro carbon frame shields your chainring from rock strikes and trail debris.

With lower guard plate, low kickback guide and high pedal guide wheel

  • Equipped with a lower guard plate, low kickback guide wheel, and high pedal guide wheel, this enduro carbon frame ensures chain retention, reduces pedal feedback, and protects vital drivetrain components.

148*12mm Thru Axle 

  • 148×12mm rear thru axle boosts stiffness and wheel stability, ensuring precise handling, better power transfer, and improved compatibility with boost-spaced enduro wheels.

180mm Disc Brake , Max 223mm

  • Supports 180mm to max 223mm disc brakes for powerful, consistent stopping. Ideal for enduro riding—better heat dissipation, control, and confidence on steep descents.

Haidelibikes Factory

  • Lead Time: Efficient production and on-time deliver.
  • Custom Painting: Yes, fully customizable designs.
  • OEM & ODM: Welcome-your brand, our support.
  • MOQ: Starting from just 5 sets.
  • Sample Policy: Samples available on request.

Advanced Production Facilities 

  • ISO-certified testing lab ensuring compliance with global standards.
  • Exclusive Infrared Detection System – Our proprietary technology for internal defect inspection, ensuring every frame meets the highest safety and durability standards.

Manufacturing Techniques

  • Blow molding: for lightweight frames and high-strength frame structures.
  • EPS/latex molding: ensures precision interiors shaping.

Full-Service Capabilities–One-Stop Solution

  • Design → Prototyping → Mass production → Custom Painting
  • Masterful Painting Craftsmanship–Our expert painters, with 10+ years of experience, deliver flawless custom finishes, ensuring both durability and aesthetic excellence.