ExaForm "900i" Dropper Seatpost - 30.9mm
- Weight : 0.66kg / 1.46lbs
- Packaging Unit: 1 Piece
- Product ID (PID): 43347
- Product safety
Weight
Source: BMX Glossary
The ExaForm "900i" Dropper Seatpost - 30.9mm is a no-nonsense internally routed dropper for 30.9 mm seat tubes with 150, 170 or 190 mm of travel. ExaForm is the Yuan Yu Industrial brand built on KS dropper technology. The post is all aluminium with forged head parts and a one-piece mast, and a sealed hydraulic cartridge keeps dirt out without needing service. It is rated for e-bikes, and the Westy remote lever comes with cable and housing.
Facts: ExaForm "900i" Dropper Seatpost - 30.9mm
- Seatsystem: Rail, two-bolt head with angle scale
- Material: aluminium, forged head parts, one-piece mast
- Diameter: 30.9mm
- Travel: 150mm, 170mm or 190mm
- Length: 445 mm at 150 mm travel, 498 mm at 170 mm travel, 538 mm at 190 mm travel
- Actuation: cable, internal routing, cable end hooks in at the bottom of the post
- Weight: 536 g (150 mm), 618 g (170 mm), 655 g (190 mm) (ISON figures)
- Scope of Delivery:
- 1 dropper seatpost
- Westy remote lever
- cable with housing - Extras:
- sealed hydraulic cartridge, not user serviceable
- rated for e-bikes
- compatible with KS KG, Westy 1.0 and Westy 2.0 remotes














