Teeth: 47
Rear sprocket JTR9 - 47 teeth
Teeth: 42
Rear sprocket JTR999 - 42 teeth
Tripy & Tripy II - special socket arm - long length "c" = 14cm
Tripy & Tripy II - standard socket arm length "b" = 8cm
Tripy II - USBA adapter female - female for USB memory