42 Tooth Sprocket for #410 (1/2" x 1/8") Bicycle Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy F4 Mounting Pattern 42 Teeth For 1/2"x1/8" (#410) Bicycle Chain 54.1mm ID Bore Four 6.2mm ID Bolt Holes @ 90 Degrees 65mm Bolt Circle Diameter
44 Tooth 4-Hole Freewheel Sprocket for 1/2" x 1/8" Bicycle Chain 44 tooth 4-hole freewheel sprocket for 1/2"x1/8" (#410) bicycle chain. F4 mounting pattern.2.125" ID2.559" bolt circle diameter. Four 0.244" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
44 Tooth Sprocket for 1/2" x 1/8" (#410) Bicycle Chain with G1 Mounting Pattern Made of aircraft-grade tempered (hardened) aluminum alloy.44 teeth.For 1/2" x 1/8" (#410) bicycle chain.2" ID2.875" bolt circle diameter.Four 0.375" (3/8") ID bolt holes.
44 Tooth Sprocket for T8F (8mm) Chain with G1 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For T8F (8mm) Chain 44 Teeth G1 Mounting Pattern 2" ID Four 0.375" (3/8") ID Bolt Holes 2.875" Bolt Circle Diameter
45 Tooth 4-Hole Freewheel Sprocket for 1/2" x 1/8" Bicycle Chain 45 tooth 4-hole freewheel sprocket for 1/2"x1/8" (#410) bicycle chain. 7.95" OD2.125" ID2.559" bolt circle diameter. Four 0.244" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
45 Tooth Sprocket for #35 Chain Made from Aircraft Grade AluminumFor #35 Chain45 TeethF5 Mounting Pattern5.588" OD2.125" IDFive 5.2mm ID Bolt Holes2.638" Bolt Circle Diameter
45 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 45 Teeth F5 Mounting Pattern 7.5" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes
45 Tooth Sprocket for #428 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #428 Chain 45 Teeth F4 Mounting Pattern 54.1mm ID 65mm Bolt Circle Diameter Four 6.2mm ID Bolt Holes
45 Tooth Sprocket for 1/2" x 1/8" (#410) Bicycle Chain with G1 Mounting Pattern Made of aircraft-grade tempered (hardened) aluminum alloy.45 teeth.For 1/2" x 1/8" (#410) bicycle chain.7.928" OD2" ID2.875" bolt circle diameter.Four 0.375" (3/8") ID bolt holes.
48 Tooth Sprocket for #35 Chain with G1 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy48 TeethFor #35 ChainG1 Mounting Pattern2" BoreFour 3/8" (0.375") ID Bolt Holes Equally Spaced @ 90 Degrees2.875" Bolt Circle Diameter
48 Tooth Sprocket for #41 and #420 Chain with F5 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy For #41 and #420 Chain 48 Teeth F5 Mounting Pattern 7.9" OD 2.125" ID 2.638" Bolt Circle Diameter Five 5.25mm ID Bolt Holes
50 Tooth 4-Hole Freewheel Sprocket for 1/2" x 1/8" Bicycle Chain 50 tooth 4-hole freewheel sprocket for 1/2"x1/8" (#410) bicycle chain. 8.884" OD2.125" ID2.559" bolt circle diameter. Four 0.244" ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.