HYBRID MODEL REFERENCE
Titleist TSi1 (2021 archive)
TSi1 hybrid: 20°, 23°, 26° and 29° heads at 58° to 59.5° and 40 to 38.5 in.
Published loft options20, 23, 26, 29°
Published lie58, 58.5, 59, 59.5°
Published length40, 39.5, 39, 38.5 in
Documented specifications & build options
Original manufacturer reference for this head. Men’s/women’s and steel/graphite length labels are kept as published.
| Field | Documented value |
|---|---|
| Published loft options | 20, 23, 26, 29 ° |
| Published lie | 58, 58.5, 59, 59.5 ° |
| Published length | 40, 39.5, 39, 38.5 in |
Source: Titleist TSi1 manufacturer archive specifications. Reviewed 2026-10-05.
Specifications by configuration
| Configuration | Published values |
|---|---|
| 20° head ↗ | Loft: 20 ° Lie: 58 ° Length: 40 in |
| 23° head ↗ | Loft: 23 ° Lie: 58.5 ° Length: 39.5 in |
| 26° head ↗ | Loft: 26 ° Lie: 59 ° Length: 39 in |
| 29° head ↗ | Loft: 29 ° Lie: 59.5 ° Length: 38.5 in |
Identifying the right model
- TSi1 is the only TSi hybrid with 26° and 29° heads.
What to check before using the reference
- Titleist's table lists a SureFit adjustable hosel.
Checking a club you own? These are the maker's published figures for an original build, not measurements of your club, and a source date is not the year it was made. Bending, reshafting or a hosel adjustment changes loft, lie and length, so identify the head by its own markings and have a fitter measure it when its history is unclear.
Continue exploring hybrids
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TSR3 · 2023–2025 archive
TSR3 hybrid: 19°, 21° and 24° heads at 57° to 58° and 40.5 to 39.5 in.
19.0, 21.0, 24.0° Published loft optionsModel reference
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TSR2 · 2023–2025 archive
TSR2 hybrid: 18°, 21° and 24° heads at 57° to 58° and 40.5 to 39.5 in.
18.0, 21.0, 24.0° Published loft optionsModel reference
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TSR1 · 2023–2025 archive
TSR1 hybrid: 20°, 23°, 26° and 29° heads, 57° to 58.5° lie and 40.5 to 39 in.
20.0, 23.0, 26.0, 29.0° Published loft optionsModel reference
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TSi2 · 2021–2023 archive
TSi2 hybrid: 18°, 21° and 24° heads at 57.5° to 58.5° and 40.5 to 39.5 in.
18, 21, 24° Published loft optionsModel reference