Patented Classic Parallelogram Suspension Seat post with Extended Options SP18

Time-Tested Linkage Performance: Equipped with a dependable 50 mm suspension travel that effectively eliminates sharp trail vibrations and road chatter.

Exclusive Extended 580 mm Version: Offers a specialized 580 mm extra-long option, making it the perfect upgrade for folding bikes, small-wheel e-bikes, and tall riders.

MATERIAL: Alloy 6061 head
6061-T6 shaft

PROCESS: 2D Forged

TRAVEL: 50 mm

DIAMETER: 27.2 mm
30.4 mm
30.9 mm
31.6 mm
33.9 mm
34.9 mm

LENGTH: 365 mm
500 mm
580 mm

OFF SET: 25 mm

WEIGHT: 780 g (27.2*365mm)

Send email to us

Product Detail

Active Trail Comfort & Geometry

1. Plush 50 mm Active Travel: Powered by our patented parallelogram mechanism that tracks smoothly in a back-and-down motion, protecting your spine and lower back from continuous impacts.

2. Proven Durability: The time-tested linkage setup ensures highly responsive shock isolation without compromising your pedaling efficiency or altering your saddle-to-pedal distance.

Specialized Lengths & Frame Fitment

1. Industry-Unique 580 mm Option: Available in a standard 365 mm length, as well as an extended 500 mm and 580 mm version (weighing 1264 g for the 33.9 mm spec) specifically engineered to solve fitment challenges on unique frame geometries like folding or compact electric bikes.

2. Rock-Solid Hardware: Finished with high-strength alloy hardware and a dependable rail clamp setup that prevents saddle tilt under heavy power pedaling.

Standard Specifications

1. Universal Diameter Matching: Supports standard and oversized seat tubes to ensure maximum compatibility across various cycling platforms:

• 27.2 mm (780 g @ 365 mm length)

• 30.4 mm / 30.9 mm / 31.6 mm / 33.9 mm / 34.9 mm x 365 mm length

• 30.9 mm / 31.6 mm / 33.9 mm / 34.9 mm x 500 / 580mm length

2. Premium Manufacturing: Built with a precision-forged Alloy 6061 head and a rigid 6061-T6 aluminum shaft for reliable strength.

Patented Classic Parallelogram Suspension Seat post with Extended Options

1、Time-Tested Linkage Performance: Equipped with a dependable 50 mm suspension travel that effectively eliminates sharp trail vibrations and road chatter.

2、Exclusive Extended 580 mm Version: Offers a specialized 580 mm extra-long option, making it the perfect upgrade for folding bikes, small-wheel e-bikes, and tall riders.

Send Email to Us

Active Trail Comfort & Geometry

1、Plush 50 mm Active Travel: Powered by our patented parallelogram mechanism that tracks smoothly in a back-and-down motion, protecting your spine and lower back from continuous impacts.
2、Proven Durability: The time-tested linkage setup ensures highly responsive shock isolation without compromising your pedaling efficiency or altering your saddle-to-pedal distance.

Specialized Lengths & Frame Fitment

1、Industry-Unique 580 mm Option: Available in a standard 365 mm length, as well as an extended 500 mm and 580 mm version (weighing 1264 g for the 33.9 mm spec) specifically engineered to solve fitment challenges on unique frame geometries like folding or compact electric bikes.
2、Rock-Solid Hardware: Finished with high-strength alloy hardware and a dependable rail clamp setup that prevents saddle tilt under heavy power pedaling.

Standard Specifications

1、Universal Diameter Matching: Supports standard and oversized seat tubes to ensure maximum compatibility across various cycling platforms:
• 27.2 mm (780 g @ 365 mm length)
• 30.4 mm / 30.9 mm / 31.6 mm / 33.9 mm / 34.9 mm x 365 mm length
• 30.9 mm / 31.6 mm / 33.9 mm / 34.9 mm x 500 / 580mm length
2、Premium Manufacturing: Built with a precision-forged Alloy 6061 head and a rigid 6061-T6 aluminum shaft for reliable strength.