KNOWLEDGE BASE · Setup & adjustment · Pedal adjustment
Active Heel Support height — by shoe size
Loosen (don't remove) the single M6 bolt and slide the A.H.S assembly; lock into the 10 mm indents. Bolts have light threadlock from factory (Loctite 222) …
- PurrPRO FORMULA PEDALS
- Updated 6 Sep 2026
Loosen (don’t remove) the single M6 bolt and slide the A.H.S assembly; lock into the 10 mm indents. Bolts have light threadlock from factory (Loctite 222) — re-torque to 10 Nm.
| EU shoe size | A.H.S position |
|---|---|
| < 39 | A.H.S 1 (top) |
| 39–43 | A.H.S 2 |
| 44–46 | A.H.S 3 |
| 46+ | A.H.S 4 (bottom) |
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