The TranzX YSP19 is a straightforward, reliable dropper seatpost for trail riders who want the benefits of a dropper without complexity or a high price tag. External cable routing makes installation simple and means the cable can be replaced without stripping the bike down.

  • 125mm travel — enough drop for confident descending on trail and all-mountain bikes
  • 31.6mm diameter — one of the most common seatpost sizes, suits most frames
  • 400mm total length — suits a broad range of rider heights
  • External cable routing — easy to install and maintain
  • Hydraulic lockout — holds position firmly under load

The hydraulic cartridge locks the post solidly at any height so there's no sag or bounce while pedalling. The external cable runs along the frame exterior, making it compatible with virtually any bike regardless of internal routing availability. A remote lever is included for handlebar mounting.

Diameter: 31.6mm. Travel: 125mm. Total length: 400mm. External cable. Also available in 30.9mm diameter.

Warranty claims for this product should be directed to Tune Cycles. Return the item to us with proof of purchase and we will manage the warranty process with the brand on your behalf.
  • 125mm of travel gives ample drop for trail and all-mountain riding
  • External cable routing simplifies installation and maintenance on most frames
  • 31.6mm diameter is one of the most common seatpost sizes, fitting a wide range of frames
  • 400mm total length suits a wide range of rider heights and seat tube lengths
  • Hydraulic actuation holds the post firmly at any position under load
  • Lightweight lever remote included for easy handlebar mounting
SpecificationValue
Diameter31.6mm
Travel125mm
Total length400mm
Cable routingExternal
ActuationCable (mechanical)
SKU KWT-JD-SP19-316-125
Barcode # 769947201542
Brand TranzX