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Dia-Compe Track Cog features a classic sandblasted finish and standard cutout design. Available in 15T, 16T, 17T and 18T, with BC1.37 x 24FPI and 1/8" compatibility.
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The Dia-Compe Track Cog is a classic and practical rear cog option for single speed drivetrain setups. It is suitable for daily riding, gear ratio adjustment, cog replacement and drivetrain maintenance.
This cog keeps Dia-Compe’s classic sandblasted finish and standard cutout design, offering a clean appearance with durable everyday performance. For riders who are new to single speed bikes, it is a practical, easy-to-match and long-standing drivetrain component choice.
Available in 15T, 16T, 17T and 18T options, it allows riders to choose according to riding style, leg strength, riding environment and front chainring size. Smaller tooth counts provide a heavier gear ratio and higher speed feel, while larger tooth counts make starting and stop-and-go city riding easier.
The cog uses a BC1.37 x 24FPI thread and 1/8" drivetrain compatibility, matching common single speed rear hubs and 1/8" chain setups. The black version offers a clean and understated look, while the silver version provides a classic metallic appearance that pairs well with different hubs and lockrings.
If you are looking for a classic, durable and easy-to-use rear cog for a single speed bike, the Dia-Compe Track Cog is a practical everyday choice.
⚠️ Please note: this product includes one rear cog.
⚠️ Lockring, hub, chain and installation tools are not included.
⚠️ Please confirm hub thread, chain width and required tooth count before purchase.
⚠️ Cog and lockring installation affects riding safety. Professional installation and inspection are recommended.
Key Features
Classic sandblasted finish
Standard cutout design
Available in 15T / 16T / 17T / 18T
Suitable for gear ratio adjustment and cog replacement
BC1.37 x 24FPI thread
Compatible with 1/8" single speed drivetrain setups
Available in black and silver
Made in Taiwan
Specifications
Brand: Dia-Compe
Product Name: Track Cog
Color: Black / Silver
Teeth: 15T / 16T / 17T / 18T
Thread: BC1.37 x 24FPI, 1/8"
Weight: Approx. 74g(16T)
Features: Classic sandblasted finish, standard cutout design, durable construction, suitable for gear ratio adjustment and drivetrain maintenance
Use: Single Speed / Track Bike
Made in: Taiwan