Chainring – SunRace CRMX00

23,24 

40T, 96 mm BCD, narrow wide, aluminium

Chainring – Sturmey Archer CRT20

25,73 

Singlespeed 1/2″ x 1/8″, 48T, 130 mm BCD, aluminium

Front sprocket – KMC 15T Bosch E-Bike

7,80 

1/2″ x 11/128″, Bosch II system

Front sprocket – KMC 20T Bosch E-Bike

10,23 

1/2″ x 11/128″, Bosch II system

Front sprocket – KMC 18T Bosch E-Bike

10,23 

1/2″ x 11/128″, Bosch II system

Chainring – First R-M9100 Narrow Wide

35,50 

34T, for Shimano 12 sp direct mount hyperglide+ cranksets, CNC AL7075

Chainring – SRAM X-Sync

16,65 

Narrow wide, 32T, 94 mm BCD, steel