Bontrager Line Dropper Seatpost Cartridge
**PLEASE CHECK PHOTO BEFORE ORDERING**
Due to having multiple customers ordering the incorrect cartidge by not checking photos first, we now have a 25% restocking fee on any seat post cartidge return.
If your old cartidge does not match the photo EXACTLY, please contact us before ordering to avoid this fee.
Upgrade or refresh your bike.
Genuine replacement parts
When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered.
Product details
- Replacement cartridge units for Bontrager Line Dropper seatposts
- Be sure to use the correct size cartridge for respective amount of travel
- Regular maintenance will help maintain performance and extend lifespan
Size |
31.6mm x 350mm x 100mm |
31.6mm x 395mm x 125mm |
31.6mm x 445mm x 150mm |
Diameter |
31.6 mm |
31.6 mm |
31.6 mm |
Length |
350 mm |
395 mm |
445mm |
Travel |
100mm |
125 mm |
150 mm |
Seatpost type |
Dropper posts |
Dropper posts |
Dropper posts |
Offset |
0 mm |
0 mm |
0 mm |
Rail compatibility |
Universal |
Universal |
Universal |
Material |
Aluminium |
Aluminium |
Aluminium |