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60 Tooth Sprocket for #35 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #35 Chain 60 Teeth R48-8 Mounting Pattern 48mm ID Four 8.8mm ID Bolt Holes Equally Spaced @ 90 Degrees 68mm Bolt Circle Diameter

60 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 60 Teeth F5 Mounting Pattern 9.9" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes

62 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 60 Teeth G1 Mounting Pattern 9.9" OD 2" ID 2.875" Bolt Circle Diameter Four 3/8" ID Bolt Holes

60 Tooth Sprocket for #428 Chain Made from Aluminum60 TeethFor #428 Chain2" BoreFour 3/8" ID Bolt Holes2.875" Bolt Circle Diameter

60 Tooth Sprocket for 1/2" x 1/8" Bicycle Chain (G1) 60 tooth sprocket for 1/2" x 1/8" (#410) bicycle chain. 9.840" OD2" ID2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.

64 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 64 Teeth G1 Mounting Pattern 10.1" OD 2" ID 2.875" Bolt Circle Diameter Four 3/8" ID Bolt Holes

64 Tooth Sprocket for T8F (8mm) Chain with G1 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For T8F (8mm) Chain 64 Teeth G1 Mounting Pattern 2" ID Four 0.375" (3/8") ID Bolt Holes 2.875" Bolt Circle Diameter

65 Tooth 4-Hole Freewheel Sprocket for 1/2" x 1/8" Bicycle Chain 65 tooth 4-hole freewheel sprocket for 1/2"x1/8" (#410) bicycle chain. 10.5" OD2.125" ID2.559" bolt circle diameter. Four 0.244" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.

65 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 65 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.10.478" OD.2.125" IDFive 5.1mm ID mounting holes. Fits onto our 5-hole freewheel item # FWM-205.Compatible with 1/2" x 1/8" bicycle chain (#410 chain).

65 Tooth Sprocket for #35 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor #35 Chain65 TeethF5 Mounting Pattern7.978" OD2.125" IDFive 5.2mm ID Bolt Holes2.638" Bolt Circle Diameter

65 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 65 Teeth F5 Mounting Pattern 10.8" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes

65 Tooth Sprocket for #428 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #428 Chain 65 Teeth F5 Mounting Pattern10.7" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes