fixed gear sprocket ProLine Track Sprocket
SKU: 62753390316
fixed gear sprocket

fixed gear sprocket ProLine Track Sprocket

Sale price$26.83 Regular price$29.81
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Ships within 48 hours · Estimated delivery Jul 3 - Jul 8

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Description

fixed gear sprocket ProLine Track SprocketProduct Introduction The Kappstein ProLine Sprocket is a high precision track and fixed gear sprocket, developed to work in combination with Kappstein ProLine chainrings for maximum drivetrain efficiency and durability. Manufactured in Germany from high grade stainless steel and CNC machined for precision, the ProLine sprocket is designed to withstand extreme loads while maintaining consistent engagement behaviour. It is widely used in professional

Product Introduction

The Kappstein ProLine Sprocket is a high-precision track and fixed gear sprocket, developed to work in combination with Kappstein ProLine chainrings for maximum drivetrain efficiency and durability.

Manufactured in Germany from high-grade stainless steel and CNC-machined for precision, the ProLine sprocket is designed to withstand extreme loads while maintaining consistent engagement behaviour. It is widely used in professional track cycling (for example, German National Team), where drivetrain reliability and efficiency are critical.

As part of the ProLine system, this sprocket is engineered not as a standalone component, but as part of a coordinated drivetrain interface.


Why This Sprocket Is Different

• Designed as part of the Kappstein ProLine drivetrain system
• High-strength stainless steel construction for extended service life
• Optimized engagement geometry for smooth and efficient power transfer
• Engineered for professional track and fixed gear applications


Technology Inside

This sprocket incorporates key Kappstein drivetrain technologies:

Round-Teeth Technology – reduces sliding friction and improves efficiency
ProLine Engagement Geometry – optimized for precise chain interaction
• High-precision CNC machining for durability and consistency

Learn more:

Round-Teeth Technology
Our Technology


Real-World Performance

In track cycling and fixed gear riding, drivetrain components are subjected to high torque loads and continuous stress. The ProLine sprocket is engineered to deliver:

• Smooth and efficient power transmission
• Reduced drivetrain friction and wear
• Highly durable performance under repeated high-load conditions
• Stable and consistent chain engagement
• Increased efficiency is subtly felt by the rider through a precisely tuned drivetrain

These characteristics make the ProLine sprocket particularly suited for competitive track cycling and high-performance fixed gear setups.


Applications

Ideal for:

• Track Cycling
• Fixed Gear Bikes
• Singlespeed Drivetrains
• Professional and competitive riding


System Compatibility (Important)

The ProLine sprocket is designed to be used with:

• Kappstein ProLine chainrings (Elite, Ruphus ProLine)
• 1/2" × 11/128" chains (Shimano · KMC · Connex)

For optimal performance, it should be used as part of the complete ProLine drivetrain system.


Technical Specifications

Material: Material: 630 Stainless Steel
Tooth Range: 12T – 19T
Chain Compatibility: 1/2" × 11/128"
Thread: BSA/BSC 1.37" x 24 TPI
Tooth Design: Round-Teeth-Design
Finish: Steel-Silver with Laser Engraving
Manufacturing: Precision CNC-Machined in Germany

How to select Kappstein Chainrings and Sprockets


Recommended Setup

For optimal drivetrain performance, use the ProLine sprocket with:

• Kappstein ProLine chainrings
• High-quality 1/2" × 11/128" chains
• Proper chainline alignment for track 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
[email protected]

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 62753390316

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HEATHER
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★★★★★ 5
well worth the money
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This suit was better than expected. The material was thick and durable, and it fit perfectly!
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Reviewed in the United States on May 6, 2026
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Just a person
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Very nice suit, but too small
Size: X-Large, Color: Black
It's a very nice suit - but too small. Will purchase again in a larger size.
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Reviewed in the United States on June 1, 2026
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Nick c.
Cuba, US
★★★★★ 4
Good quality and cannot beat the value you get with a suit
Size: Medium, Color: Black
I recently purchased the WEEN CHARM Men's Suits Slim Fit for my son's homecoming and I must say, I am impressed with the quality and fit of this suit. Firstly, the material used in this suit is of exceptional quality. The fabric feels soft and smooth, and it has a nice weight to it which gives it a luxurious feel. The suit doesn't feel cheap or flimsy at all. The slim fit design is impeccable. It hugs my son's body in all the right places, giving him a sharp and stylish look. The suit is tailored to perfection and accentuates his physique beautifully. I also appreciate the attention to detail in the craftsmanship. The stitching is neat and sturdy, and there were no loose threads or flaws that I could find. The suit looks like it was made with care and precision. Additionally, the suit was surprisingly comfortable. My son didn't complain about any discomfort or restriction of movement throughout the evening, which is always a plus. The only reason I haven't given it a five-star rating is because the suit did require some minor alterations for a perfect fit. Nonetheless, this is a small inconvenience considering the overall satisfaction we had with this purchase. In conclusion, I highly recommend the WEEN CHARM Men's Suits Slim Fit. It is a stylish, well-made suit that will definitely make a statement at any formal event. My son looked dashing in it and received many compliments.
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E. Shaddock
Fort Morgan, US
★★★★★ 5
Fit like a glove and soft to the touch.
Size: Small, Color: Black
My son loved the suit. It was not itchy. The fabric was soft. He did not like the vest but it is because he normally wears baggy clothes. He did not want a slim fit suit but he ended feeling good in it. For the price you can't miss. He is 140 lbs and is 5'7". We used the sizing chart for reference and bought size small. The length and waist of the pants were perfect and the arms were just right.
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Cool Kid
Louisville, US
★★★★★ 5
Awesome value! Great fit!
Size: XX-Large, Color: Black
Complete men's suit for under $70!!! Crazy!! My husband is thrilled with this suit! We ordered a XXXL but it was a bit baggy. Ordered the double XL and it was perfect! Husband is 6'1, waist 38, broad chested. No adjustments or hemming needed! Love it!
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