KMC X101
Best heavy duty chain for track and fixed gear enthusiasts.
This is the gold standard for single-speed setups that prioritize reliability over everything else. The chamfered design locks the chain onto your teeth, virtually eliminating drops during aggressive riding. You sacrifice a bit of weight compared to ultra-light racing chains, but you gain the peace of mind that your drivetrain won't fail when you need it most.
$45.00
Who it's for
- High-mileage commuters and track cyclists seeking long-term reliability
- Powerful sprinters and BMX riders who demand maximum drivetrain security
- Fixed-gear enthusiasts who value a silent and refined drivetrain
Who should skip it
- Weight-conscious racers looking to minimize every gram on their build
- Budget-focused riders who prefer inexpensive, easily replaceable components
- Multi-speed bike owners or those with narrow-width drivetrain setups
Performance breakdown
Chain Retention
Chamfered design keeps the chain locked securely during aggressive riding.
Weight Efficiency
Lightweight construction minimizes rotating mass without sacrificing structural integrity.
Drivetrain Durability
Built to withstand the high-torque demands of single-speed power transfer.
Engagement Smoothness
Precision engineering ensures consistent, quiet interaction with chainrings and cogs.
Installation Ease
Standard link count and design make for a straightforward, hassle-free setup.
Versatility
Reliable performance across BMX, track, and mountain single-speed disciplines.
Key Specs
Number of speeds
1
Number of links
112
Chain width
1/8-inch (3.175 mm)
Intended use
Mountain, BMX, Fixie, Track
Bike type compatibility
Mountain, BMX, Fixie, Track
Know before you buy
Still have a question?
Ask Metto anything about the KMC X101 before you decide.
