Third and fourth variator gear for your Piaggio Ciao, Si, Bravo and Boxer moped / moped.
The gears are used together with the Polini set, consisting of the input shaft and the first gear. This results in a gear ratio of 12.82:1.
The thickness of the output gear has been increased to create a larger contact surface for the meshing flanks. This is particularly advantageous under high loads, as can occur in the cross-country sector, and makes a positive contribution to durability. Unfortunately, the Velo gear (bicycle gear) can no longer be used due to these modifications.
Small double gear: 10 / 30 teeth
Large gear: 47 teeth
You will find the torque converter shaft set together with the gear set for a gear ratio of 11.5:1 in the accessories section.
Quality product from the Italian manufacturer Polini.
| Manufacturer | Polini |
| Material | Steel |
| Gearbox type | Vario |
| Toothing type | straight toothed |
| Number of teeth | 10 pcs, 30 pcs, 47 pcs |
| Translation | 12.82 / 1 |
| Piaggio | Ciao - P, SC, PX, C24 Si Bravo / Super Bravo Boxer Grillo |
Accessories & related products
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Pinasco gearbox 11.9:1 Vario | Piaggio Ciao, SI, Bravo, Boxer, Grillo
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Polini Vario 11.5:1 gear ratio 3rd & 4th gear | Piaggio Ciao, SI, Bravo, Boxer
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