What seatpost diameter does a Giant Trance MTB use?
The seatpost fitment standard on a Giant Trance MTB, and how to pick the right part.
This frame's fitment
| Frame | Giant Trance MTB |
|---|---|
| Seatpost diameter | 30.9 mm |
| Diameter | 30.9 mm |
| Typical class | many mountain bikes and full-suspension frames, and one of the two common dropper-post diameters |
The Giant Trance uses a ZS44 upper zero-stack headset, a 30.9 mm dropper seatpost and a 15x110 Boost front thru-axle, with a 12x148 Boost rear.
Giant trail bikes commonly use 30.9 mm droppers; confirm the model year. The bottom bracket is a Press-Fit 92 (BB92) shell, covered on its own page.
The part to buy
Search Amazon for 30.9 mm seatpost for your Giant Trance MTBaffiliate searchFind 30.9 mm seatpost for your Giant Trance MTB on eBayaffiliate
Related fitment pages
30.9 mm seatpost30.9 mmBottom bracket for Giant Trance MTBsame frame, BB shellHeadset on a Giant Trance MTBsame frame30.9 mm seatpost on a Giant Anthem MTBsame standard, another frame
SOURCES: BikeGremlin, Seatpost diameter sizes (standards) · BikeRadar, Bike seatposts explained: diameters, materials, lengths · Park Tool, Standardized Headset Identification System (SHIS) · BikeRadar, Mountain bike axle standards: the complete guide