Sprocket with 18 teeth and standard chain pitch of 1/2" x 1/8" incl. matching hub for your Piaggio Ciao, Si, Bravo and Boxer moped / moped.
Choose the desired combination of sprocket and hub in the selection fields. If required, you can add additional accessories such as a pedal chain or chain spray.
Note: Some years of Piaggio Si mopeds had a 16-tooth sprocket. Check the number of teeth before purchasing if you want to continue using your old chain.
When purchasing sets consisting of freewheel and hub, there are substantial discounts on the retail price of the individual parts.
Original Piaggio spare part number: 131515 / 103631
| Chain pitch | 1/2" x 1/8" |
| Surface | Hardened, galvanized (blue) |
| Material | Steel |
| Number of teeth | 18 pcs |
| Thread type | FG34.8 (1.37" 24G) |
| Piaggio OEM number | 103631, 131515 |
| Piaggio | Ciao - P, SC, PX, C24 Si Bravo / Super Bravo Boxer Grillo |
Accessories & related products
GPO chain tensioner | Piaggio Ciao
Manufacturer: GPO · Material: Plastic · Material: Steel · Surface: galvanized (blue) · Width: 45 mm · Number of teeth: 8 pcs · Color: black · Color: silver · Total length: 64 mm · Ø outside sprocket: 33 mm · Thread type: M8x1.25 (standard thread) · Number of fixing points: 1 pcs
CHF 9.40
GPO pedal axle 28 teeth keyway galvanized (1A quality) | Piaggio Ciao
Chain pitch: 1/2" x 1/8" · Manufacturer: GPO · Surface: galvanized (blue) · Color: silver · Material: Steel · Number of teeth: 28 pcs · Wavelength from wreath: 48 mm · Wavelength from wreath: 183 mm · Ø Outer sprocket: 118 mm · Ø Pedal arm holder: 16 mm · Total length: 234 mm · Ø outside: 130 mm · Crank (wreath): 2.3 mm · Piaggio OEM number: 813424
CHF 59.90
GPO pedal axle 23 teeth with keyway | Piaggio SI
Chain pitch: 1/2" x 3/16" · Manufacturer: GPO · Material: Steel · Surface: chrome-plated · Color: Chrome · Number of teeth: 23 pcs · Wavelength from wreath: 60 mm · Wavelength from wreath: 194 mm · Total length: 257 mm · Ø Outer sprocket: 100 mm · Ø Pedal arm holder: 16 mm · Ø Bearing support: 15.9 mm · Crank (wreath): 2 mm
CHF 49.90
swiing® revival chain tensioner | Piaggio Ciao
Material: Plastic · Material: Steel · Surface: galvanized (blue) · Manufacturer: swiing® revival parts · Number of fixing points: 1 pcs · Number of teeth: 8 pcs · Ø outside sprocket: 36 mm · Thread type: M8x1.25 (standard thread) · Piaggio OEM number: 1029904
CHF 11.90
Moped fans also bought
GPO chain tensioner | Piaggio Ciao
Manufacturer: GPO · Material: Plastic · Material: Steel · Surface: galvanized (blue) · Width: 45 mm · Number of teeth: 8 pcs · Color: black · Color: silver · Total length: 64 mm · Ø outside sprocket: 33 mm · Thread type: M8x1.25 (standard thread) · Number of fixing points: 1 pcs
CHF 9.40
swiing® revival freewheel hub Inox | Piaggio Ciao, SI, Bravo, Boxer
Material: Chrome steel (known as Nirosta®) · Drive: External hexagon · Manufacturer: swiing® revival parts · Ø inside: 34 mm · External thread: FG34.8 (1.37" 24G) · Thread type: MF14x1.25 (fine pitch thread) · Width across flats SW: 36 mm
CHF 18.90
BGS open-end wrench freewheel (SW 36) | Piaggio Ciao, SI, Bravo Boxer
Manufacturer: BGS · Material: Steel · Surface: galvanized (blue) · Total length: 270 mm · Width across flats SW: 36 mm · Area of application: Special tool · Area of application: Workshop accessories · Number of components: 1 pcs
CHF 17.90
Collection only possible with online purchase and appointment.
