A2

36 Tooth Sprocket for #40 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum Alloy For #40 Chain 36 Teeth F4 Mounting Pattern 6" OD 54.1mm ID Bore Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees 65mm Bolt Circle Diameter Fits 4-Hole Freewheels Item # FWM-120, FWM-125, and FWM-175 Fits 16-Tooth Freewheels Item # FWM-100, FWM-160, and FWM-180 ...

26 Tooth Sprocket for #41 and #420 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 26 Teeth F4 Mounting Pattern 54.1mm ID Bore Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees 65mm Bolt Circle Diameter

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.

150 Tooth Sprocket for #25 Chain with G1 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyG1 Mounting Pattern150 TeethFor #25 Chain2" ID BoreFour 0.375" ID Bolt Holes Equally Spaced @ 90 Degrees2.875" Bolt Circle Diameter

34 Tooth Sprocket for #41 and #420 Chain Made from Aircraft Grade Tempered (Hardened) Aluminum Alloy For #41 and #420 Chain 34 Teeth F4 Mounting Pattern 54.1mm ID Bore Four 6.2mm ID Bolt Holes Equally Spaced @ 90 Degrees 65mm Bolt Circle Diameter Fits 4-Hole Freewheels Item # FWM-120 and FWM-125 Fits 16-Tooth Freewheels Item # FWM-100 and FWM-180 ...

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.