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$34.99
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.
Features:
- New and Improved
- 45mm of Adjustment
- XO Skeleton Design
- Dual-Sided Adjustment Grid
- Dual-Color Adjustment Block
Specs:
- Axle Size: 10mm (3/8") only
- Material: 7075-T6 Aluminum
- Hardware: Stainless Steel
$12.99
Adjusting chain tension is quick and easy with the new Box Three™ Chain Tensioner. With a single-hole "lollipop" design, these tensioners reduce weight and help keep your rear wheel locked in place.
Features:
- New and Improved
- 20mm of Adjustment
- Single Axle Position
- Slotted for Dropout
- ED Black Hardware
- Anodized Finish
Specs:
- Axle Size 10mm (3/8") only
- Material 6061-T6 Aluminum
- Hardware
- Stainless Steel
$19.99
Box Two Chain Tensioners let you dial in your chain tension, so it's just right. Two mounting holes provide room for ample adjustment on most frames. When used correctly, Box Two Chain Tensioners help protect frame dropouts and keep your rear wheels locked in place where they should be.
Features:
- New and Improved
- 30mm of Adjustment
- Dual Axle Position
- Anti-Rust Hardware
- Anodized Finish
Specs:
- Axle Size 10mm (3/8") only
- Material 6061-T6 Aluminum
- Hardware
- Stainless Steel
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