Complete freedom of movement at the push of a button.

The SDG Postman Vario dropper seatpost in 31.6 mm with 170 mm travel is made for modern trail and enduro bikes. With one simple movement, you can move your saddle out of the way, giving you more space for steep descents, corners, and technical sections - ideal for active riders who like to “work with” the terrain.

The Postman is based on the proven SDG Tellis platform and uses an internally routed, mechanical actuation system with a sealed cartridge. This provides a defined pressure point at the remote lever and reliable operation - even in bad weather. The robust aluminum construction is designed for demanding everyday MTB use and comes in a subtle matte black finish.

As a YT OEM version, the seatpost is supplied with a remote lever featuring an SRAM MMX mount. This allows the lever to be mounted directly to compatible SRAM brake levers with a MatchMaker-X interface - a clean cockpit with fewer clamps. A separate handlebar clamp is required for other brake/shifter combinations (not included).

Highlights:

• 170 mm infinitely adjustable travel: plenty of freedom of movement for steep trails and technical descents.
• 31.6 mm diameter & 480 mm length: suitable for many modern MTB frames with internal cable routing.
• Internal cable routing: clean frame design and protection for the cable against dirt and moisture.
• Mechanical actuation: reliable, smooth-operating dropper technology with a proven cartridge.
• 2-bolt clamp head: precise saddle-angle adjustment and secure support for common 7 x 7 mm saddle rails.
• YT OEM version: factory-installed on YT bikes - developed for demanding trail and enduro use.
• Remote with SRAM MMX interface: direct mounting to compatible SRAM brake levers for an especially clean cockpit.

Technical specifications:

• Model: SDG Postman / OEM variant from YT
• Diameter: 31.6 mm
• Length: approx. 480 mm
• Travel: 170 mm (infinitely adjustable)
• Seatpost material: aluminum
• Offset: 0 mm (straight head)
• Actuation: mechanical via handlebar remote
• Cable routing: internal (internally routed)
• Saddle clamp: 2-bolt clamp head
• Compatible saddle rails: 7 x 7 mm (standard round rails)
• Remote: SDG remote lever with SRAM MMX / MatchMaker-X mount (without separate handlebar clamp)
• Intended use: trail, all-mountain, enduro, MTB in general
• Color: black

Scope of delivery:

• 1 x SDG Postman Vario dropper seatpost 31.6 x 480 mm | 170 mm travel | black (YT OEM version)
• 1 x remote lever with SRAM MMX mount (without handlebar clamp)
• Note: workshop packaging (without outer packaging, cables, or housings)

Perfect for modern trail and enduro bikes: The SDG Postman dropper offers reliable operation, generous travel, and a clean cockpit thanks to the MMX remote - ideal for anyone who wants more control and confidence on the trails.