SAFETY

&

COMFORT

Patented Classic-Offset Suspension Dropper Seat post for Bikes SD77H-SUS

Traditional Dual-Bolt Stability: Equipped with a dependable dual-bolt clamping head, ensuring rock-solid saddle security and a classic setup that riders trust.

Patented Shock-Absorbing Travel: Combines a 100 mm dropper clearance with a built-in 20 mm suspension system to effectively smooth out rough roads and trails.


  • MATERIAL: Alloy 6061 head
    6061-T6 shaft
  • PROCESS: Forged
  • TRAVEL: 100 mm
  • DIAMETER: 27.2 mm
    30.9 mm
    31.6 mm
  • LENGTH: 448 mm
  • OFF SET: 25 mm
  • WEIGHT: 759 g (27.2/SD77H-SUS)
  • SUSPENSION TRAVEL: 20 mm
  • Product Detail

    Classic Geometry & Enhanced Support

    1. Optimized 25 mm Offset: Features a traditional 25 mm setback that shifts the rider's weight slightly rearward, providing a more relaxed cockpit posture ideal for long-distance touring and cruising.

    2. Rock-Solid Saddle Clamping: The time-tested two-bolt head design delivers maximum clamping force, preventing saddle slippage even under heavy vertical loads on technical terrain.

    Dual-Action Trail Comfort

    1. Dynamic Active Suspension: Powered by a patented 20 mm suspension travel that continuously absorbs sudden impacts and low-level vibrations before they reach your spine.

    2. On-the-Fly Height Adjust: Offers 100 mm of smooth dropper travel, allowing you to lower your center of gravity instantly for confident descending and easier mounting.

    Forged Reliability & Dimensions

    1. High-Tensile Aluminum Build: Crafted from a forged Alloy 6061 head and a rigid 6061-T6 shaft, providing elite durability while keeping the total weight at a competitive 759 g (for the 27.2 mm option).

    2. Versatile Frame Matching: Available in standard 27.2 mm, 30.9 mm, and 31.6 mm diameters with a total length of 448 mm to fit most modern bicycle setups.

    Patented Classic-Offset Suspension Dropper Seat post for Bikes

    1、Traditional Dual-Bolt Stability: Equipped with a dependable dual-bolt clamping head, ensuring rock-solid saddle security and a classic setup that riders trust.

    2、Patented Shock-Absorbing Travel: Combines a 100 mm dropper clearance with a built-in 20 mm suspension system to effectively smooth out rough roads and trails.

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    Classic Geometry & Enhanced Support

    • 1、Optimized 25 mm Offset: Features a traditional 25 mm setback that shifts the rider's weight slightly rearward, providing a more relaxed cockpit posture ideal for long-distance touring and cruising.
    • 2、Rock-Solid Saddle Clamping: The time-tested two-bolt head design delivers maximum clamping force, preventing saddle slippage even under heavy vertical loads on technical terrain.

    Dual-Action Trail Comfort

    • 1、Dynamic Active Suspension: Powered by a patented 20 mm suspension travel that continuously absorbs sudden impacts and low-level vibrations before they reach your spine.
    • 2、On-the-Fly Height Adjust: Offers 100 mm of smooth dropper travel, allowing you to lower your center of gravity instantly for confident descending and easier mounting.

    Forged Reliability & Dimensions

    • 1、High-Tensile Aluminum Build: Crafted from a forged Alloy 6061 head and a rigid 6061-T6 shaft, providing elite durability while keeping the total weight at a competitive 759 g (for the 27.2 mm option).
    • 2、Versatile Frame Matching: Available in standard 27.2 mm, 30.9 mm, and 31.6 mm diameters with a total length of 448 mm to fit most modern bicycle setups.

    Classic Geometry & Enhanced Support

    1. Optimized 25 mm Offset: Features a traditional 25 mm setback that shifts the rider's weight slightly rearward, providing a more relaxed cockpit posture ideal for long-distance touring and cruising.

    2. Rock-Solid Saddle Clamping: The time-tested two-bolt head design delivers maximum clamping force, preventing saddle slippage even under heavy vertical loads on technical terrain.

    Dual-Action Trail Comfort

    1. Dynamic Active Suspension: Powered by a patented 20 mm suspension travel that continuously absorbs sudden impacts and low-level vibrations before they reach your spine.

    2. On-the-Fly Height Adjust: Offers 100 mm of smooth dropper travel, allowing you to lower your center of gravity instantly for confident descending and easier mounting.

    Forged Reliability & Dimensions

    1. High-Tensile Aluminum Build: Crafted from a forged Alloy 6061 head and a rigid 6061-T6 shaft, providing elite durability while keeping the total weight at a competitive 759 g (for the 27.2 mm option).

    2. Versatile Frame Matching: Available in standard 27.2 mm, 30.9 mm, and 31.6 mm diameters with a total length of 448 mm to fit most modern bicycle setups.