Kappstein Standard Sprocket | CNC Fixed Gear 1/8" Sprocket
100112
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Product Introduction
The Kappstein Standard Sprocket is a precision-engineered track and fixed gear sprocket, developed for reliable drivetrain performance in everyday riding and high-load singlespeed applications.
Manufactured in Germany from high-strength steel and CNC-machined for accuracy, the sprocket is designed to provide durable chain engagement, consistent power transmission, and long service life. It is suited for both urban riding and track use, where simplicity and reliability are essential.
Unlike system-specific components, the Standard Sprocket is designed as a robust and compatible drivetrain element, suitable for a wide range of fixed gear setups.
Why This Sprocket Is Different
• Designed for reliable fixed gear and singlespeed performance
• High-strength steel construction for durability and wear resistance
• Precision-machined for consistent chain engagement
• Compatible with standard track drivetrain setups
Technology Inside
This sprocket incorporates core Kappstein drivetrain technologies and design principles:
• Round-Teeth Technology – a redesigned tooth geometry with wider, less pointed profiles that improve how the chain seats between teeth, resulting in smoother engagement, improved power transmission, and reduced wear
• Optimized Chain–Tooth Fit – the geometry ensures the chain sits more naturally within the tooth profile, reducing local stress concentrations and improving long-term durability
• High-Precision CNC Manufacturing – produced entirely in-house from raw material to finished component, ensuring tight tolerances and consistent engagement behaviour across all teeth
• Integrated Design Execution – CNC machining and laser engraving are performed within Kappstein’s own production environment, maintaining full control over geometry accuracy and surface finish
• Material-Driven Durability (630 Stainless Steel) – selected for high wear resistance and structural strength under continuous drivetrain load, particularly in track and fixed gear applications
Learn more:
• Round-Teeth Technology
• Our Technology
Real-World Performance
In fixed gear and urban riding, drivetrain components must perform consistently under repeated load cycles and varying conditions. The Standard Sprocket is engineered to deliver:
• Smooth and consistent power transmission
• Reliable chain engagement in daily use
• Reduced drivetrain wear over extended service life
• Stable performance under varying load conditions
• Increased efficiency is subtly felt by the rider through a precisely tuned drivetrain
These characteristics make the Standard Sprocket particularly suited for fixed gear riders, commuters, and urban cycling applications.
Applications
Ideal for:
• Fixed Gear Bikes
• Singlespeed Drivetrains
• Urban Riding and Commuting
• Track Cycling (professional, training and general use)
When to Choose Standard vs ProLine
Standard Sprocket
Best suited for riders prioritising durability, compatibility, and everyday reliability, particularly in fixed gear and urban as well as professional riding environments.
ProLine Sprocket
Designed for high-performance track cycling, where maximum efficiency, optimized engagement geometry, and system integration with ProLine chainrings are critical.
Technical Specifications
Material: 630 Stainless Steel
Thread Standard: BSA/BSC 1.37" x 24 TPI
Tooth Range: 12T – 19T
Color: Steel-Silver
Tooth Design: Round-Teeth-Design
Finish: CNC-Machined & Laser-Engraved
Chain Compatibility: 1/2" × 1/8" (standard track chain)
Surface Treatment: Hardened / surface-treated for wear resistance
Manufacturing: Precision CNC-Machined in Germany
Recommended Setup
For optimal drivetrain performance, the Standard Sprocket is designed to be used with:
• 1/8" chainrings (standard track or fixed gear chainrings Remus or Ruphus Chainring)
• 1/2" × 1/8" chains
• Proper chainline alignment for fixed gear setups
About Kappstein
Kappstein is a German engineering company specializing in high-efficiency bicycle drivetrain components. Through precision machining and applied mechanical research, the company develops chainrings, hubs, and drivetrain systems designed for maximum efficiency, durability, and smooth engagement behaviour.
Learn more about Kappstein and the company’s engineering philosophy.
Manufacturer:
Kappstein GmbH & Co. KG
Südstraße 15, Gebäude 14
99867 Gotha
Germany
info@kappstein.de
