JTR rear sprocket 42 to 52 teeth
for 520 chain
self-cleaning
blue
Made in the Netherlands
Material: aluminium
Weight: 41t: 291g, 42t: 358g, 43t: 369g, 44t: 378g, 45t: 393g, 46t: 403g, 47t: 415g, 48t: 423g, 49t: 437g, 50t: 449g, 51t: 479g, 52t: 494g
Useful information:
Transmission ratio table
The transmission ratio under consideration of engine sprocket, clutch, countershaft sprocket and rear sprocket shown in a neat and printable table