Giant Trinity size guide

Which Giant Trinity do you have?

Distinguish Advanced and Advanced SL, the documented model year and the installed front-end parts.

Collect a full side photo, the model wording, frame-size sticker, wheel marking and a view of the brakes and fork. Open the original listing for the candidate entry and compare the specification and any photographs it provides. Changed components or matching paint alone cannot prove the generation.

Follow the guide to identifying an unknown model year. Leave the chart unconfirmed until the frame generation and wheel option match.

Your selected entry

The details below belong only to the selected entry.

Browse all Giant Trinity variants and years

Choose an entry to see its recorded sizing information above. Each selection stays within this model-family guide.

How to choose between sizes

Frame height bands are preliminary. Compare a sustainable pad stack and reach to the exact front-end adjustment chart, including required hardware.

Measure height and inside leg twice, barefoot. Where both are published, keep each height and inside-leg pair together. Keep all overlapping candidates. If the measurements conflict, sit outside the chart or rely on an open-ended band, seek individual advice rather than extrapolating.

Read the guide to choosing between two bike sizes. Frame stack and reach do not include the whole hand or forearm-pad position, and a height chart cannot establish handling or comfort.