Surly Track Cog 1/8'' X 18t Silver

The Surly Track Cog 1/8'' x 18T Silver is a durable and reliable fixed gear cog designed for riders who want smooth power transfer and dependable performance on track, single-speed, and urban bikes. Built from high-quality steel, this cog is engineered to handle daily riding, aggressive acceleration, and long-term use without compromising durability. Its precision-machined threading ensures a secure fit on compatible track hubs, while the 18-tooth configuration offers a balanced gearing setup suitable for commuting, training, and fixed gear riding. The silver finish gives it a clean and classic appearance that matches a wide range of bike styles. Whether you are upgrading your drivetrain or building a custom fixed gear bike, this Surly track cog delivers dependable engagement, efficient pedaling, and trusted Surly quality for every ride.

Key Features

• Brand: Surly

• Product Type: Track Cog

• Cog Size: 18T

• Chain Compatibility: 1/8''

• Material: High-strength steel

• Finish: Silver

• Usage: Fixed gear, track, and single-speed bikes

• Threading: Precision-machined for secure fitment

• Performance: Smooth and efficient drivetrain engagement

• Durability: Built for long-lasting daily riding performance

Product Specifications

• Product Name: Surly Track Cog

• Tooth Count: 18 Teeth

• Chain Width Compatibility: 1/8''

• Color: Silver

• Material: Steel

• Bike Compatibility: Track and fixed gear hubs

• Riding Style: Urban, track, commuting, single-speed

• Installation Type: Thread-on cog

• Corrosion Resistance: Yes

• Construction: Precision-machined

Drivetrain Performance

• Efficient Power Transfer: Designed to provide direct and responsive pedaling performance for fixed gear and single-speed setups

• Reliable Engagement: Precision threading helps maintain secure installation during aggressive riding

• Optimized Gear Ratio: The 18T size offers balanced acceleration and comfortable cadence for city and track riding

• Long-Term Durability: Steel construction resists wear from daily riding and heavy drivetrain loads

Easy Operation / Usage

• Install the cog onto a compatible threaded track hub

• Use with a 1/8'' chain for proper drivetrain compatibility

• Tighten securely using the appropriate lockring and tools

• Ideal for fixed gear bikes, velodrome setups, and urban commuting builds

Why Choose This Product

• Trusted Surly quality and durability

• Strong steel construction for reliable performance

• Smooth drivetrain engagement for efficient riding

• Ideal for fixed gear and single-speed enthusiasts

• Clean silver finish suits classic and modern bike builds

• Precision manufacturing ensures dependable fitment

In the Box

• Surly Track Cog 1/8'' x 18T Silver