A2

50 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x 1/8" Bicycle Chain 50 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.8.25" 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).

55 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 55 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.9.362" 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 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).

65 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 65 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.10.478" 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).

70 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 70 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.11.752" 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).

75 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 75 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.12.229" 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).

80 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2" x 1/8" Bicycle Chain 80 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.13" 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).

85 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x 1/8" Bicycle Chain 85 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.13.822" 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).

90 Tooth 2-1/8" Bore 5-Hole Sprocket for 1/2"x 1/8" Bicycle Chain 90 tooth bicycle chain sprocket. Made of aircraft-grade tempered (hardened) aluminum alloy.14.62" OD2.13" IDFive 5.25mm ID mounting holes. Fits onto our 5-hole freewheel item # FWM-205. Compatible with 1/2" x 1/8" bicycle chain (#410 chain).

150 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyF4 Mounting Pattern150 TeethFor #25 Chain54.1mm BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter

90 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyF4 Mounting Pattern90 TeethFor #25 Chain7.25" Outside Diameter54.1mm ID BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter

100 Tooth Aluminum Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy 100 TeethF4 Mounting Pattern (works with 4-hole and 16 tooth freewheels)For #25 Chain (works with standard #25 and heavy-duty #25 chain)