Wolf Tooth Components Single Speed Cog (Purple) (3/32″) (Aluminum) (17T)

Light, strong with extra tall teeth, the Wolf Tooth Aluminum Single Speed Cog is a lightweight option that’s offered in a variety of sizes.

Features:

• Wide 4.5mm base won’t dig into your freehub
• Made of 7075 Aluminum Alloy for durability and lightness
• Fits on Shimano HyperGlide-style freehub bodies (geared or single speed)
• Works with any chain through 12 speed
• Optimized tooth width for 9, 10, and 11-speed chains
• Not compatible with Campagnolo Ekar 13-speed chains
• Made in the USA

Specifications:
Type: Single Speed Cog
Speeds: Single Speed (3/32″)
Drive Type: Shimano/SRAM
Color: Purple
Weight: 14.5g (16T), 16.5g (17T), 19g (18T), 23.5g (20T), 28g (22T)

Add flair to your bike with our selection of Purple parts from Wolf Tooth.

This product is expected to become available for purchase on Monday, October 26, 2026