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
| Material | Steel |
| Surface | Hardened, galvanized (blue) |
| Number of teeth | 18 pcs |
| Chain pitch | 1/2" x 1/8" |
| 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) · Color: black · Color: silver · Thread type: M8x1.25 (standard thread) · Total length: 64 mm · Width: 45 mm · Number of teeth: 8 pcs · Ø outside sprocket: 33 mm · Number of fixing points: 1 pcs
EUR 11.50
GPO pedal axle 28 teeth keyway galvanized (1A quality) | Piaggio Ciao
Chain pitch: 1/2" x 1/8" · Manufacturer: GPO · Material: Steel · Surface: galvanized (blue) · Color: silver · Number of teeth: 28 pcs · Ø outside: 130 mm · 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 · Crank (wreath): 2.3 mm · Piaggio OEM number: 813424
EUR 73.40
GPO pedal axle 23 teeth with keyway | Piaggio SI
Chain pitch: 1/2" x 3/16" · Manufacturer: GPO · Material: Steel · Color: Chrome · Surface: chrome-plated · Number of teeth: 23 pcs · Wavelength from wreath: 60 mm · Wavelength from wreath: 194 mm · Ø Outer sprocket: 100 mm · Ø Pedal arm holder: 16 mm · Ø Bearing support: 15.9 mm · Total length: 257 mm · Crank (wreath): 2 mm
EUR 61.20
swiing® revival chain tensioner | Piaggio Ciao
Manufacturer: swiing® revival parts · Material: Plastic · Material: Steel · Thread type: M8x1.25 (standard thread) · Surface: galvanized (blue) · Number of teeth: 8 pcs · Ø outside sprocket: 36 mm · Number of fixing points: 1 pcs · Piaggio OEM number: 1029904
EUR 14.60
Moped fans also bought
GPO chain tensioner | Piaggio Ciao
Manufacturer: GPO · Material: Plastic · Material: Steel · Surface: galvanized (blue) · Color: black · Color: silver · Thread type: M8x1.25 (standard thread) · Total length: 64 mm · Width: 45 mm · Number of teeth: 8 pcs · Ø outside sprocket: 33 mm · Number of fixing points: 1 pcs
EUR 11.50
swiing® revival freewheel hub Inox | Piaggio Ciao, SI, Bravo, Boxer
Manufacturer: swiing® revival parts · Material: Chrome steel (known as Nirosta®) · Thread type: MF14x1.25 (fine pitch thread) · Drive: External hexagon · Ø inside: 34 mm · Width across flats SW: 36 mm · External thread: FG34.8 (1.37" 24G)
EUR 23.20
BGS open-end wrench freewheel (SW 36) | Piaggio Ciao, SI, Bravo Boxer
Manufacturer: BGS · Material: Steel · Surface: galvanized (blue) · Number of components: 1 pcs · Total length: 270 mm · Width across flats SW: 36 mm · Area of application: Special tool · Area of application: Workshop accessories
EUR 22.00
Collection only possible with online purchase and appointment.
