86 Tooth Sprocket for #25 Chain with ISO Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy86 TeethFor #25 ChainISO Disc Brake Rotor Mounting Pattern35.5mm BoreSix 5.5mm ID Bolt Holes Equally Spaced @ 60 Degrees44mm Bolt Circle Diameter
90 Tooth 5-Hole Freewheel Sprocket for #410 1/2" x 1/8") Bicycle Chain 90 Teeth F5 Mounting Pattern 14.7" OD 2.13" ID Five 5.25mm ID Bolt Holes 2.6378" Bolt Circle Diameter Made of aircraft-grade tempered (hardened) aluminum alloy.
90 Tooth Aluminum Sprocket for #25 Chain with Custom Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy Custom Mounting Pattern90 TeethFor #25 Chain186mm Outside Diameter90mm ID BoreFour 9mm ID Bolt Holes @ 90 degrees109.5mm Bolt Circle Diameter
90 Tooth Sprocket for #410 Chain with ISO Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum Alloy90 TeethFor #410 (1/2"x1/8") Bicycle ChainISO Disc Brake Rotor Mounting Pattern44mm Bolt Circle Diameter35.5mm BoreSix 5.5mm ID Bolt Holes @ 60 degrees
92 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyF4 Mounting Pattern92 TeethFor #25 Chain54.1mm ID BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter
95 Tooth Sprocket for #25 Chain with Custom Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyCustom Mounting Pattern95 TeethFor #25 Chain94mm ID BoreFive 10mm ID Bolt Holes @ 72 degrees110mm Bolt Circle Diameter (BCD)
95 Tooth Sprocket for #25 Chain with F4 Mounting Pattern Made from Tempered (Hardened) Aircraft Grade Aluminum AlloyF4 Mounting Pattern95 TeethFor #25 Chain7.7" Outside Diameter54.1mm ID BoreFour 6.2mm ID Bolt Holes @ 90 degrees65mm Bolt Circle Diameter
98 Tooth 4-Hole Freewheel Sprocket for #35 Chain Made from Aircraft-Grade Tempered (Hardened) Aluminum AlloyFor #35 Chain98 TeethF4 Mounting Pattern8.8" (223mm) OD2.13" (54.1mm) IDFour 6.2mm ID Bolt Holes2.559" (65mm) Bolt Circle Diameter