The KS ExaForm Speed Up Dropper Seatpost adds reliable, on-the-fly saddle height adjustment in a straightforward, budget-friendly package. With 100mm travel and a simple, seat-mounted lever, it gives trail and all-road riders a fast way to drop the saddle for descents and technical sections, then return to full pedaling height without stopping.
Practical advantages for real-world riding
100mm drop - Creates more clearance to move the bike underneath the rider on steeper or more technical terrain
Seat-mounted, ergonomic lever actuation - Clean, uncomplicated control without a bar-mounted remote, ideal for riders prioritizing simplicity
Aluminum alloy construction - Durable post body designed for everyday trail use and frequent height changes
Sealed internal design - Helps keep dirt and moisture away from moving parts to reduce service needs over time
Black anodized finish - Low-key look that resists cosmetic wear and blends with most builds
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
385mm
Offset
20mm
Rail Style
Standard Rails
Remote Position
Under Saddle
Travel (mm)
100
Black - 30.9 UPC
4711441312077
Black - 30.9 MPN
C258-100-30.9
Black - 31.6 UPC
4711441312114
Black - 31.6 MPN
C258-100-31.6
Tree Fort ID:
333222476920
Have Experience With This?
or
Customer Questions
not logged-in log-in to receive an emailed response