Ultralight Carbon Seatpost 20mm Setback - 150g Full Carbon Road/MTB Bi

Reduce Vibration and Ride Lighter with Ultralight Full Carbon SeatpostFeeling every bump and vibration on long rides, leading to butt/lower back pain? Heavy alloy seatpost adding unnecessary weight and harshness? This full carbon seatpost with 20mm setback is the perfect upgrade – exceptional vibration damping, insane 150g lightness, and ergonomic positioning for all-day comfort.T800 carbon fiber construction absorbs road buzz better than alloy, while the setback design optimizes saddle position for efficient pedaling. Multiple diameters fit most frames – easy install with secure clamping.Ideal for road endurance, MTB trails, or gravel adventures. Drop grams and fatigue in 2026!

Key Benefits:

Superior Comfort: Full carbon flex damps vibrations for smoother, pain-free rides.
Ultralight Weight: ~150g – serious rotating mass savings for better acceleration/climbing.
Optimal Positioning: 20mm setback for natural hip alignment and power transfer.
Durable & Strong: High-quality carbon resists impacts while staying light.
Versatile Fit: Sizes 25.4/27.2/30.9/31.6mm – suits most road/MTB frames.

Full Specifications:

Material: Full T800 Carbon Fiber
Weight: Approximately 150g
Setback/Offset: 20mm
Length: 350-400mm (cut to fit)
Diameters: 25.4mm / 27.2mm / 30.9mm / 31.6mm
Finish: UD Matte or Gloss
Clamp: Dual bolt secure
Suitable For: Road bikes, MTB, gravel

Includes: Seatpost only. Torque to spec for safety.

Carbon Fiber Base / Cover Suitable for saddle carbon fiber rails

Installation Instructions

1.Seat Tube Tightening Torque
For metal bicycle frames, tighten to 4-5NM
For carbon fiber frames, tighten to 4.5-5NM

2.Saddle Clamp Tightening Torque
For metal rails, tighten to 4.5-5NM
For Carbon rails, tighten to 4.5-5NM

3.Installation Warnings
Ensure that the clamp opening is offset from the frame opening during installation to avoid concentrated stress that may cause the seat post to crack.
(NOTICE:For openings at both front and rear, the seat post clamp should be offset to the side.)

Suggestion: Insert the seat post into the frame 10 cm.

Installation Guideline: Ensure the opening of the seat post clamp is fastened in the direction opposite to the frame's seat tube opening to prevent damage.