KS ExaForm Speed Up Dropper Seatpost delivers straightforward dropper performance with 125mm travel for riders who want confident body positioning on technical terrain without the complexity or cost of higher-end systems. Designed for quick, on-the-fly saddle height changes, it helps keep the saddle out of the way on descents and corners, then returns to an efficient pedaling height for climbs and flats—all with a simple, lever-actuated design.
Trail-ready advantages that matter
125mm on-the-fly drop - Improves control and stability by lowering the saddle when the trail gets steep or rough, then quickly restores full pedaling height
Seat-mounted ergonomic lever - Simple, intuitive actuation for riders who prefer a clean, user-friendly setup
Alloy construction - Durable aluminum post body built for everyday trail use while keeping weight reasonable for the category
Sealed internals - Helps keep dirt and moisture away from moving parts to reduce maintenance and protect smooth operation over time
Black anodized finish - Clean look with a hard-wearing surface suited to frequent height adjustments and regular riding conditions
Specifications & Identifiers
Actuation
Under Saddle Lever
Adjustment
Infinite
Cable Routing
N/A
Color
Black
Defined Color
Black
Diameter - Seatpost
30.9mm, 31.6mm
Length - Dropper Seatposts
445mm
Offset
20mm
Rail Style
Standard Rails
Remote Position
Under Saddle
Travel (mm)
120mm, 125mm
Black - 30.9 UPC
4711441312084
Black - 30.9 MPN
C258-125-30.9
Black - 31.6 UPC
4711441312121
Black - 31.6 MPN
C258-125-31.6
Tree Fort ID:
333222476922
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response