BOX One Chain Tensioner
Best reliable tensioner for single speed drivetrain enthusiasts.
This precision-machined component turns the headache of rear wheel alignment into a set-it-and-forget-it task. While it adds a small amount of weight to your setup, the trade-off is rock-solid dropout protection and consistent chain tension that stays dialed in through the roughest rides.
$29.99
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Who it's for
- BMX racers and single-speed riders needing consistent power
- Home mechanics and riders performing regular wheel changes
- Aggressive riders and enthusiasts seeking long-lasting components
Who should skip it
- Riders with non-standard or vertical dropout frame designs
- Elite racers and weight-obsessed performance cyclists
- Minimalist riders prioritizing an uncluttered bike appearance
Performance breakdown
Material Durability
7075-T6 aluminum offers exceptional strength-to-weight ratio for high-impact riding.
Adjustment Precision
Laser-etched guides make dialing in perfect chain tension incredibly intuitive.
Frame Protection
Robust construction effectively shields dropouts from heavy torque and wheel slip.
Weight Efficiency
Minimalist skeleton design sheds unnecessary grams without sacrificing structural integrity.
Installation Ease
Bolt-on mounting simplifies setup, though limited to 10mm axles only.
Build Quality
CNC-machined finish provides a premium, precise fit for serious racers.
Key Specs
Axle Size
10mm (3/8") only
Material
7075-T6 Aluminum, Stainless Steel Hardware
Adjustment
45mm of Adjustment
Mounting Holes
Two 10mm mounting holes with 15mm of adjustment
Mounting Type
Bolt-on
Component Application Area
Drivetrain
Know before you buy
Still have a question?
Ask Metto anything about the BOX One Chain Tensioner before you decide.
