Wolf Tooth 19T Aluminum Single Speed Cog for Shimano Hyperglide Freehubs 2D1/2D2/2D3/2D4/2D5/2D6/2D7/2D8/2D9/2D10/JPA/JPA2/JPA3/JPA4//JCO/JCO2/JCO3//JFL/JFL2/JFL3/ giving you confidence through turns

giving you confidence through turns

optimized for cargo bikes and E-bikes

CNC Machined Bike Stem

and longevity-even in demanding conditions

Wolf Tooth 19T Aluminum Single Speed Cog for Shimano Hyperglide Freehubs 2D1/2D2/2D3/2D4/2D5/2D6/2D7/2D8/2D9/2D10/JPA/JPA2/JPA3/JPA4//JCO/JCO2/JCO3//JFL/JFL2/JFL3/ giving you confidence through turnsUpgrade your single speed drivetrain with the Wolf Tooth Single Speed Aluminum Cog 19t, Black the perfect combination of lightweight engineering, durability, and precision performance. Crafted from high quality 7075 T6 aluminum, this aftermarket cog offers exceptional strength while maintaining a low weight of just 21 grams, making it an ideal choice for urban commuting, gravel riding, and track cycling enthusiasts. Materials & Construction: