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- 30.04.2026 cat (RM)
Top.
- 27.04.2026 Str (AP)Mudguard FA ITALIA Vespa PX, Arcobaleno
Oggetto di ottima fattura. Pienamente soddisfatto
- 13.04.2026 VULIntake manifold reed valve ITALKAST Ø28-30mm Vespa 50, Special, 90, 125 ET3 Primavera, 2-3 holes
Good product, but... Doesn't support larger tyres over 90/90/10, needs to enlarge the hole in the frame for the pipe, and to use a really short air filter if you don't [...]
- 11.04.2026 D'a (RI)
Personale molto preparato,gentile e soprattutto materiale di qualità, mi sono trovato benissimo, complimenti è grazie a tutto lo staff che c'è dietro
- 02.04.2026 Str (AP)Rear blinkers set, left and right, Vespa PX, PE, T5 - SIEM
frecce posteriori di ottima fattura. top!!!
Description
CALIBRATED ROLLERS WITH HIGH PRECISION
for original speed variators and Multivar.
HTRolls are made with CPT with a specific formula and their weight is marked on one side.
HTRolls represent a technical spare part for the original one, in a complete series of calibrated elements capable of varying your scooter's transmission ratio and perfectly regulating its speed and acceleration.
Operation
Due to the rotation, the weight of the rollers becomes a centrifugal force; the higher the rollers weight, the lower the gear change time, and vice-versa.
Variator calibration
To optimize engine's performance, select rollers that in operation, maintain the engine at the highest power regime. By diminishing the rollers weight the engine s RPM increases; on the contrary, by increasing the rollers weight the RPM decreases.
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Ultima sync: 13:53 (del giorno: 11/09/2026)


