Single Speed Cogs Conversion Kit Aluminum Alloy Single Speed Bike Freewheel Cog 16T 18T with Spacer Rings and Lockring Lightweight for MTB Urban Track Fixed Gear Bicycle Reduced Wobble(Green-18T)

• Complete Freewheel Set: Includes 1 freewheel cog (16T or 18T), precision-machined spacer rings, and a secure lockring - everything needed for proper installation on standard freewheel hubs.
• Optimized Gear Ratio Options: Choose between 16-tooth and 18-tooth cogs to fine-tune your and climbing efficiency - perfect for urban commuting, track training, or casual single-speed riding.
• Precision CNC Aluminum Construction: Lightweight yet robust aluminum alloy body delivers responsive pedaling feel and consistent performance under repeated use.
• Reduced Wobble Design: Tight-fit threading and flat contact surfaces minimize lateral movement during high-torque efforts, enhancing drivetrain stability and power transfer.
• Multiple Color Finishes: Available in black, red, blue, and purple anodized finishes - adds visual flair while maintaining resistance and smooth thread engagement.

Features: *Compatible with standard freewheel hubs for single-speed or fixed-gear bikes *Available in 16-tooth or 18-tooth options for different gear ratios *Made of CNC aluminum alloy for lightweight strength and durability *Includes spacer rings and lockring for secure installation and alignment *Tight fit design reduces wobble and improves power transfer Specifications: *Product Name: Single Speed Bike Freewheel / Cog *Material: Aluminum alloy *Size: 34.55*78.8mm / 34.55*70.2mm *Tooth Count: 16T, 18T *Color Options: Black, Red, Blue, Purple *Type: Freewheel cog with spacers and lockring Package Content: 1 x Single Speed Freewheel Set (cog, spacers, lockring)