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
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
25 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 25 Teeth F5 Mounting Pattern4.25" OD 2.13" ID 2.6378" Bolt Circle Diameter Five 5.25mm ID Mounting Holes
28 Tooth Sprocket for 1/2" x 1/8" Bicycle Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor 1/2" x 1/8" (#410) Bicycle Chain28 TeethG1 Mounting Pattern4.75" OD2" ID2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes
40 Tooth Sprocket for #35 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum For #35 Chain 40 Teeth G1 Mounting Pattern 5" OD 2" ID Four 0.375" (3/8") ID Bolt Holes 2.875" Bolt Circle Diameter
120 Tooth Sprocket for #25 Chain with G1 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyG1 Mounting Pattern120 TeethFor #25 Chain2" ID BoreFour 0.375" ID Bolt Holes Equally Spaced @ 90 degrees2.875" Bolt Circle Diameter
140 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyF4 Mounting Pattern140 TeethFor #25 Chain54.1mm BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter
72 Tooth Freewheel Sprocket for #35 Chain with F5 Mounting Pattern Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #35 Chain 72 Teeth F5 Mounting Pattern 54.1mm (2.13") ID Five 5.25mm (0.2067") ID Bolt Holes 67mm (2.6378") Bolt Circle Diameter
69 Tooth Sprocket for #35 Chain with F5 Mounting Pattern Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #35 Chain 69 Teeth F5 Mounting Pattern 54.1mm (2.13") ID Five 5.25mm (0.2067") ID Bolt Holes 67mm (2.6378") Bolt Circle Diameter
29 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor #41 and #420 Chain29 TeethG1 Mounting Pattern4.8" OD2" ID2.875" Bolt Circle DiameterFour 3/8" ID Bolt Holes
30 Tooth Sprocket for #41 and #420 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 30 Teeth G1 Mounting Pattern 5.1" OD 2" ID 2.875" Bolt Circle Diameter Four 3/8" ID Bolt Holes
54 Tooth Sprocket for T8F (8mm) Chain with G1 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) Aluminum For T8F (8mm) Chain 54 Teeth G1 Mounting Pattern 2" ID Four 0.375" (3/8") ID Bolt Holes 2.875" Bolt Circle Diameter