Box One Chain Tensioner 10mm x 2 Axle Hole

$29.99 Sale Save
Color Black

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Box One™ Chain Tensioners are extruded then CNC-machined from 7075 aluminum for an optimal balance of strength and weight. A minimalist design adds style while reducing their overall mass. Laser-etched graphics include wheel position guides and two 10mm mounting holes with 15mm of adjustment to ensure perfect adjustability. Fits most frames every time you remove and replace your wheel.

When used correctly, Box One tensioners will protect your frame dropouts and hold your rear wheel in place. Keep in mind. However, they aren’t indestructible (neither are your dropouts). Install these lightweight chain tensioners with care and leave the 15-inch breaker bar in your toolbox.


Extra Wide Range of Adjustability
Provides Protection for Your Frame Dropouts
Laser-Etched Guides for Wheel Position
XO Skeleton Design

Material: 7075-T6 Aluminum
Process: Extruded & CNC Machined
Hardware: Stainless Steel
Finish: Anodized w/Laser-Etched Graphics
• Axle: 10mm
• Wheel Position: 45mm
• Block: Dual-Color
• Grid: Dual-Sided
Weight: 69g