Chainring BCD: 64mm (24T), 104mm (36T, 38T). 36T chainring for use with 22T Chainring. 24T chainring for use with 38T Chainring. Chainring Shape: Round. Compatible with 4-bolt, 104/64 pattern crank arms.
Part ID: HR07. Dia-Compe Tandem Bike Hand Rests. Hand rests for the back set of handlebars on a tandem bike. Levers are stationary and only provide a place to put your hands. Hand rests may show light evidence of shelfwear from storage, though there appears to be none of note.
Shimano SP41 SIS Derailleur Housing. Precut Lengths with Ferrules, Cable Ends and Rubber Shields. 3 pieces plastic ferrules. The housing is genuine, premium Shimano product. It is from a bulk order from Shimano (OEM) so it is a factory sealed plastic bag - see last photo.