KMC X9.73 Heavy Duty Single Speed Chain
The KMC X9.73 Heavy Duty chain has been specifically developed for the demanding conditions of Trials, Biketrial and BMX riding. Its reinforced steel construction provides exceptional strength and stiffness, allowing efficient power transfer while withstanding heavy impacts and high chain loads.
Manufactured from heat-treated steel, the X9.73 offers excellent wear resistance and long service life, making it an ideal choice for riders who demand maximum reliability from their drivetrain.
Heavy Duty Construction with No-Drop Technology
The Heavy Duty design increases chain rigidity by approximately 30% compared to conventional single speed chains, reducing lateral flex and improving drivetrain efficiency during technical riding.
KMC's No-Drop technology helps maintain consistent chain tension during intensive use, reducing the risk of chain slack and improving overall drivetrain reliability.
- Heavy Duty reinforced single speed chain
- Approximately 30% stiffer than standard chains
- No-Drop technology for improved chain stability
- Heat-treated high-strength steel construction
- Excellent wear and impact resistance
- Quick link included for easy installation
- Perfect for Trials, Biketrial, BMX and Single Speed bikes
Built for Extreme Riding
Whether you're riding natural sections, urban obstacles or competition courses, the KMC X9.73 delivers exceptional durability and dependable performance. Its robust construction makes it one of the preferred chains for riders looking for maximum strength and reliability.
Technical Specifications
| Brand |
KMC |
| Model |
X9.73 Heavy Duty |
| Type |
Single Speed |
| Chain Size |
1/2" × 11/128" |
| Pin Width |
6 mm |
| Number of Links |
80 (including quick link) |
| Technology |
Heavy Duty + No-Drop |
| Material |
Heat-treated steel |
| Finish |
Silver |
| Weight |
215 g |
| Quick Link |
Included |
| Recommended Use |
Trials, Biketrial, BMX and Single Speed bikes |
Frequently Asked Questions
What bikes is the KMC X9.73 designed for?
The KMC X9.73 is designed for Trials, Biketrial, BMX and Single Speed bicycles that require a strong and reliable drivetrain.
What are the benefits of Heavy Duty technology?
The Heavy Duty construction increases chain rigidity by approximately 30% compared to standard chains, improving power transfer, reducing flex and increasing durability.
What is No-Drop technology?
No-Drop technology helps maintain more consistent chain tension during demanding riding, reducing the likelihood of chain slack and improving drivetrain reliability.
Does the chain include a quick link?
Yes. The KMC X9.73 comes supplied with a quick link for fast and easy installation and maintenance.
How many links does the chain have?
The chain features 80 links, including the quick link, and weighs only 215 grams.
