36 Tooth Sprocket for #35 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy36 TeethFor #35 ChainF4 Mounting Pattern54.1mm BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter
36 Tooth Sprocket for #410 Chain with ISO Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy36 TeethFor #410 (1/2"x1/8") Bicycle ChainISO Disc Brake Rotor Mounting Pattern44mm Bolt Circle Diameter35.5mm BoreSix 5.5mm ID Bolt Holes Equally Spaced @ 60 Degrees
37 Tooth Sprocket for #41 and #420 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 37 Teeth F4 Mounting Pattern 54.1mm ID Bore Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees 65mm Bolt Circle Diameter
38 Tooth Sprocket for #41 and #420 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 38 Teeth F4 Mounting Pattern 54.1mm ID Bore Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees 65mm Bolt Circle Diameter
42 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) AluminumF4 4-Hole Freewheel Mounting PatternFor #25 Chain42 Teeth3.5" OD54.1mm IDFour 6.2mm ID Bolt Holes @ 90 Degrees65mm Bolt Circle Diameter
44 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) AluminumF4 4-Hole Freewheel Mounting PatternFor #25 Chain44 Teeth3.65" OD54.1mm IDFour 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees65mm Bolt Circle Diameter
44 Tooth Sprocket for #35 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy44 TeethFor #35 ChainF4 Mounting Pattern54.1mm BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter
44 Tooth Sprocket for #35 Chain with ISO Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy44 TeethFor #35 ChainISO Disc Brake Rotor Mounting Pattern35.5mm BoreSix 5.5mm ID Bolt Holes @ 60 Degrees44mm Bolt Circle Diameter
45 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) AluminumF4 4-Hole Freewheel Mounting PatternFor #25 Chain45 Teeth3.75" OD54.1mm IDFour 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees65mm Bolt Circle Diameter
45 Tooth Sprocket for #35 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy45 TeethFor #35 ChainF4 Mounting Pattern54.1mm BoreFour 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees65mm Bolt Circle Diameter
46 Tooth Sprocket for 1/2" x 1/8" Bicycle Chain (G1) 46 tooth sprocket for #410 (1/2" x 1/8") bicycle chain. G1 mounting pattern.2" ID2.875" bolt circle diameter. Four 0.375" (3/8") ID bolt holes. Made of aircraft-grade tempered (hardened) aluminum alloy.
47 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Aircraft Grade Tempered (Hardened) AluminumF4 4-Hole Freewheel Mounting PatternFor #25 Chain47 Teeth3.9" OD54.1mm IDFour 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees65mm Bolt Circle Diameter