Dropper posts that fit the Trek Top Fuel RSL Gen 4 2026

Now on your bike: Bontrager Line Dropper, 170mm travel, MaxFlow, internal routing, 34.9mm, 450mm length

Fits 5

Every standard that matters is recorded for your bike and the part, and they match.

Budget
CA$140.001 Canadian shop
OneUp Components V2 Dropper Post
Get: 34.9 mm
Check price at OneUp Components Canada
Mid-rangeUpgrade
CA$274.961 Canadian shop
Crankbrothers Highline 3 Dropper Post
Get: 34.9 mm · 150 mm
Check price at bikecomponents.ca
Mid-rangeUpgrade
CA$309.951 Canadian shop
SDG Tellis V2 Dropper Post
Get: 34.9 mm · 150 mm
Check price at bikecomponents.ca
Mid-rangeUpgrade
CA$352.001 Canadian shop
OneUp Components V3 Dropper Post
Get: 34.9 mm
Check price at OneUp Components Canada
TopUpgrade
CA$799.951 Canadian shop
RockShox Reverb AXS (B1) Wireless Dropper
Get: 34.9 mm · 175 mm
Check price at bikecomponents.ca