A2

55 Tooth Sprocket for #35 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #35 Chain55 TeethF5 Mounting Pattern6.783" OD2.125" IDFive 5.2mm ID Bolt Holes2.638" Bolt Circle Diameter

55 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 55 Teeth F5 Mounting Pattern 9.1" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes

55 Tooth Sprocket for 1/2" x 1/8" #410 Bicycle Chain (G1) 55 tooth sprocket for 1/2" x 1/8" (#410) bicycle chain. 9.362" ODG1 Mounting Pattern2" ID2.875" bolt circle diameter.Four 3/8" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.

56 Tooth Sprocket for T8F (8mm) Chain with G1 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For T8F (8mm) Chain 56 Teeth G1 Mounting Pattern 2" ID Four 0.375" (3/8") ID Bolt Holes 2.875" Bolt Circle Diameter

57 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 57 Teeth F5 Mounting Pattern 9.4" OD 54.1mm (2.13") ID Five 5.25mm (0.2067") ID Bolt Holes 67mm (2.6378") Bolt Circle Diameter

57 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor #41 and #420 Chain57 TeethG1 Mounting Pattern9.4" OD2" ID2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes

58 Tooth Sprocket for #41 and #420 Chain F5 Mounting PatternFits 5-hole freewheel item number FWM-205 and FWM-210.Made of aircraft-grade tempered (hardened) aluminum alloy.

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 60 tooth 4-hole freewheel sprocket for 1/2"x1/8" (#410) bicycle chain. 9.840" OD2.125" ID2.559" bolt circle diameter. Four 0.244" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.

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