MODEL AND SIZING GUIDE
Giant Trinity size guide
Begin with the exact TT frame, then move to the forearm-pad position it can achieve.
Guide updated 2026-09-22 · Source-check dates belong to individual entries. Independent editorial review pending.
Match the exact model and its published chart before choosing a size. If two size bands overlap, keep both as candidates. The year can stay unknown until you identify the generation.
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.
What is recorded for this model family?
35 catalogue entries: 28 with body ranges and 7 with size labels only. Documented model or catalogue years: 2027, 2025, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015. These are source records, not a count of distinct frame generations or bikes currently in stock.
A source-check date is not a manufacturing date. Two sources can describe the same bike, and a retailer may list only some of its original sizes. Missing years or dimensions are left unknown.
Your selected entry
The details below belong only to the selected entry.
Giant Trinity Advanced Pro TT Frameset — 2021
Model 2021 · Source checked 2026-09-20 · Manufacturer · Australia
Exact Australian archive model-year page. Height ranges do not confirm inside-leg clearance. Check the wheel option and components on the actual bike; current models are not substituted for older versions.
| Frame size | Rider height | Inside leg |
|---|---|---|
| XS | 160–172 | Not published |
| S | 166–178 | Not published |
| M | 172–184 | Not published |
| L | 179–193 | Not published |
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.
| Exact model and source date | Recorded year | Available evidence | Open record |
|---|---|---|---|
| Giant Trinity Advanced SL 1 (2027)Manufacturer · checked 2026-09-19 | Model 2027 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced SL 1 (2027) |
| Giant Trinity Advanced SL 2 (2027)Manufacturer · checked 2026-09-19 | Model 2027 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced SL 2 (2027) |
| Giant Trinity Advanced SL 0 (2025)Manufacturer · checked 2026-09-19 | Model 2025 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced SL 0 (2025) |
| Giant Trinity Advanced SL 1 — 2025Manufacturer · checked 2026-09-20 | Model 2025 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced SL 1 — 2025 |
| Giant Trinity Advanced SL 2 — 2025Manufacturer · checked 2026-09-20 | Model 2025 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced SL 2 — 2025 |
| Giant Trinity Advanced Pro 1 — 2022Manufacturer · checked 2026-09-20 | Model 2022 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro 1 — 2022 |
| Giant Trinity Advanced Pro 2 — 2022Manufacturer · checked 2026-09-20 | Model 2022 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2022 |
| Giant Trinity Advanced Pro TT Frameset — 2022Manufacturer · checked 2026-09-20 | Model 2022 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro TT Frameset — 2022 |
| Giant Trinity Advanced Pro 1 — 2021Manufacturer · checked 2026-09-20 | Model 2021 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro 1 — 2021 |
| Giant Trinity Advanced Pro 2 — 2021Manufacturer · checked 2026-09-20 | Model 2021 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2021 |
| Giant Trinity Advanced Pro Tri Frameset — 2021Manufacturer · checked 2026-09-20 | Model 2021 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro Tri Frameset — 2021 |
| Giant Trinity Advanced Pro TT Frameset — 2021Manufacturer · checked 2026-09-20 | Model 2021 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro TT Frameset — 2021 |
| Giant Trinity Advanced Pro 1 — 2020Manufacturer · checked 2026-09-20 | Model 2020 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro 1 — 2020 |
| Giant Trinity Advanced Pro 2 — 2020Manufacturer · checked 2026-09-20 | Model 2020 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2020 |
| Giant Trinity Advanced Pro TRI Frameset — 2020Manufacturer · checked 2026-09-20 | Model 2020 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro TRI Frameset — 2020 |
| Giant Trinity Advanced Pro TT Frameset — 2020Manufacturer · checked 2026-09-20 | Model 2020 | Body rangesXS / S / M / L | View chart for Giant Trinity Advanced Pro TT Frameset — 2020 |
| Giant Trinity Advanced Pro 1 — 2019Manufacturer · checked 2026-09-20 | Model 2019 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 1 — 2019 |
| Giant Trinity Advanced Pro 2 — 2019Manufacturer · checked 2026-09-20 | Model 2019 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2019 |
| Giant Trinity Advanced Pro TRI Frameset — 2019Manufacturer · checked 2026-09-20 | Model 2019 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro TRI Frameset — 2019 |
| Giant Trinity Advanced Pro TT Frameset — 2019Manufacturer · checked 2026-09-20 | Model 2019 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro TT Frameset — 2019 |
| Giant Trinity Advanced Pro 0 — 2018Manufacturer · checked 2026-09-20 | Model 2018 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 0 — 2018 |
| Giant Trinity Advanced Pro 1 — 2018Manufacturer · checked 2026-09-20 | Model 2018 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 1 — 2018 |
| Giant Trinity Advanced Pro 2 — 2018Manufacturer · checked 2026-09-20 | Model 2018 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2018 |
| Giant Trinity Advanced Pro TT Frameset — 2018Manufacturer · checked 2026-09-20 | Model 2018 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro TT Frameset — 2018 |
| Giant Trinity Advanced — 2017Manufacturer · checked 2026-09-20 | Model 2017 | Body rangesS / M / L | View chart for Giant Trinity Advanced — 2017 |
| Giant Trinity Advanced Pro 0 — 2017Manufacturer · checked 2026-09-20 | Model 2017 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 0 — 2017 |
| Giant Trinity Advanced Pro 1 — 2017Manufacturer · checked 2026-09-20 | Model 2017 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 1 — 2017 |
| Giant Trinity Advanced Pro 2 — 2017Manufacturer · checked 2026-09-20 | Model 2017 | Body rangesS / M / L | View chart for Giant Trinity Advanced Pro 2 — 2017 |
| Giant Trinity Advanced — 2016Manufacturer · checked 2026-09-20 | Model 2016 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced — 2016 |
| Giant Trinity Advanced Pro 0 — 2016Manufacturer · checked 2026-09-20 | Model 2016 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced Pro 0 — 2016 |
| Giant Trinity Advanced Pro 1 — 2016Manufacturer · checked 2026-09-20 | Model 2016 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced Pro 1 — 2016 |
| Giant Trinity Advanced Pro 2 — 2016Manufacturer · checked 2026-09-20 | Model 2016 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced Pro 2 — 2016 |
| Giant Trinity Advanced SL 0 — 2015Manufacturer · checked 2026-09-20 | Model 2015 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced SL 0 — 2015 |
| Giant Trinity Advanced SL 1 — 2015Manufacturer · checked 2026-09-20 | Model 2015 | Size labels onlyS / M / L | View size labels for Giant Trinity Advanced SL 1 — 2015 |
| Giant Trinity Composite 1 — 2015Manufacturer · checked 2026-09-20 | Model 2015 | Size labels onlyS / M / L | View size labels for Giant Trinity Composite 1 — 2015 |
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.
Buying this bike second hand?
Ask which parts have changed, confirm the physical frame label and check the actual component limits. A receipt date may differ from the model year. Photographs help identify the bike; they cannot replace a mechanical inspection.
Use the second-hand bike sizing checklist before travelling to see a listing.