Bontrager Line Dropper Seatpost Cartridge

When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered.

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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

If for any reason you're not satisfied with a Bontrager or Trek aftermarket purchase, return the item, along with the original sales receipt to the original place of purchase within 30 days for an exchange or refund. Think of it as a 30-day test ride.

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Size	31.6mm x 350mm x 100mm	31.6mm x 395mm x 125mm	31.6mm x 445mm x 150mm	34.9mm x 287mm x 100mm	34.9mm x 387mm x 150mm	34.9mm x 430mm x 170mm
Diameter	31.6mm	31.6mm	31.6mm	34.9mm	34.9mm	34.9mm
Length	350mm	395mm	445mm	287mm	387mm	430mm
Travel	100mm	125mm	150mm	100mm	150mm	170mm
Seatpost type	Dropper posts	Dropper posts	Dropper posts	Dropper posts	Dropper posts	Dropper posts
Offset	0mm	0mm	0mm	0mm	0mm	0mm
Rail compatibility	Universal	Universal	Universal	Universal	Universal	Universal
Material	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum	Aluminum

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, materials, and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice. Prices shown are manufacturer's suggested retail prices.

Weights are based off pre-production products at time of publication. Weights may vary in final production.

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30-Day Unconditional Guarantee

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