Standard Roller Weights
This is a listing of the standard sizes and weights of the rollers used on Vespa and Piaggio scooters.
Vespa Models

MODEL Diameter Width Weight Notes
ET2 19mm 15.5 7.5g
LX50 19mm 15.5 8.0g
ET4 50 19mm 15.5 6.4g
ET4/LX 125 Leader 19mm 17mm 8.7g
ET4/LX 150 Leader 19mm 17mm 10.0g
LX 125 3v 20mm xxmm 10g
LX 150 3v 19mm 17mm 15.0g Need confirmation
Primavera/Sprint 125 3v i-Get 20mm 15mm 16g
Primavera/Sprint 150 3v i-Get 20mm 15mm 14.5g
Primavera/Sprint 150 3v non i-Get 19mm 17mm 15.6g green
GT125 19mm 17mm 7.4g
GTS125 19mm 17mm 7.4g
GTS150 i-Get liquid 19mm 17mm 16.5g Need confirmation
GTV125 19mm 17mm 7.4g
GT200 20mm 17mm 10.7g blue, 20.5X17mm actual
GTS 250 21mm 17mm 11.2g green
GTS 300 21mm 17mm 13.9g ochre
GTS 300 HPE 21mm 17mm 14g

MP3 Models

MODEL Diameter Width Weight Notes
MP3 125
MP3 250 20.9mm 17mm 11.2g
MP3 400 25mm 17mm 18.6g
MP3 500 25mm 17mm 21.5g

Aprilia Models

MODEL Diameter Width Weight Notes
Sport City 250 20.9mm 17mm 11.2g
Scarabeo 500 24.9mm 17mm 21.5g

Piaggio Models

MODEL Diameter Width Weight Notes
Typhoon 19mm 15.5mm 6g U.S. Market
Typhoon 16mm 13mm Euro, pre 1998
Zip 100 4T 19mm 15.5mm 9.8g
Liberty 125 3v 20mm 15mm 15g
Fly 150 19mm 17mm 10g
BV 200 20mm 17mm 10.7g
BV 250 20.9mm 17mm 11.2g
BV 500 24.9mm 17mm 21.5g

From SIP
This information is credited to SIP online catalogue available at

External inline image provided by member with no explanatory text
See also
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