A2

58 Tooth Sprocket for #41 and #420 Chain Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy58 TeethFor #41 and #420 ChainF4 Mounting Pattern54.1mm BoreFour 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees65mm Bolt Circle Diameter

58 Tooth Sprocket for 1/2" x 1/8" Bicycle Chain (G1) 58 tooth sprocket for 1/2" x 1/8" (#410) bicycle chain. 9.5" OD2" ID2.875" bolt circle diameter. Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.

60 Tooth 4-Hole Freewheel Sprocket for 1/2" x 1/8" Bicycle Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For 1/2" x 1/8" (#410) Bicycle Chain 60 Teeth F4 Mounting Pattern 9.84" OD (approximate) 2.125" ID 2.559" Bolt Circle Diameter Four 0.244" ID Bolt Holes

60 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 60 tooth bicycle chain sprocket.F5 mounting pattern.Made of aircraft-grade tempered (hardened) aluminum alloy.9.840" 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).

60 Tooth Sprocket for #35 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #35 Chain 60 Teeth F5 Mounting Pattern 7.38" OD 54.1mm (2.13") ID Five 5.25mm (0.2067") ID Bolt Holes 67mm (2.6378") Bolt Circle Diameter

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

60 Tooth Sprocket for #35 Chain with Custom Mounting Pattern Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor #35 Chain60 TeethCustom Mounting Pattern41mm ID BoreSix 6mm ID Bolt Holes Equally Spaced @ 60 Degrees51mm Bolt Circle Diameter ...

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