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13 Tooth 10mm Dual D-Bore Sprocket For 8mm Chain

13 Tooth 11mm Bore Sprocket for 1/2"x1/8" and 1/2"x3/16" Bicycle ChainMotor sprocket for MY1018Z and MY1016Z3 gear motors. 2-3/8" (57mm) OD, 11mm ID, 4mm wide x 2mm deep keyway. 9mm wide hub. For 1/2"x1/8" (#410) and 1/2"x3/16" (#415) bicycle chain.http://www.electricscooterparts.com/bicyclesprockets.html

13 Tooth D-Bore Drive Belt Cog for 5M-15 Belts (10mm Bore) Old item # SPR-COG13D

13 Tooth D-Bore Drive Belt Cog for 5M-15 Belts (8mm Bore) 8mm x 7mm ID D-bore. 22mm overall length. Works with 3mm tooth pitch x 15mm wide (***-3M/15) HTD drive belts.

14 Tooth Sprocket for #41 and #420 Chain Made from Hardened High Carbon Steel14 TeethFor #41 and #420 Chain9mm x 13mm Double D-Bore2-3/8" OD

14 Tooth Freewheeling Sprocket for #410 (1/2" x 1/8") Bicycle Chain

CHN-8140, 140 Link Continuous Loop Of 8mm Chain

140mm Disk Brake Rotor2mm Thick140mm OD37.2mm ID5.6mm ID Mounting Holes24mm Adjacent Mounting Hole Distance (Center To Center)48mm Mounting Hole Bolt Circle Diameter (BCD)

2mm Thick140mm OD29.2mm ID6.5mm ID Mounting Holes33.77mm Adjacent Mounting Hole Distance (Center To Center)39mm Mounting Hole Bolt Circle Diameter (BCD)R34 Mounting Pattern

140mm Disk Brake Rotor2mm Thick140mm OD37.2mm ID5.6mm ID Mounting Holes41.6mm Adjacent Mounting Hole Distance (Center To Center)48mm Mounting Hole Bolt Circle Diameter (BCD)

CHN-8142, 142 Link Continuous Loop Of 8mm Chain