Box One Bike Stem Lock – CNC-Machined 7075-T6 & 2014-T651 Aluminum, 175-230mm Adjustable Extension, Available in 1 Inch, 1-1/8 Inch, and 1-1/8 to 1.5 Inch

★★★★★ 4.7 31 reviews

$39.99
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$39.99
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Free shipping Free 30-day returns

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Product details

Management number 210369039 Release Date 2026/04/02 List Price $16.00 Model Number 210369039
Category
  • RELIABLE FORK SUPPORT: The Box One Stem Lock prevents catastrophic failures by securing your BMX stem and front wheel, even if the steerer tube breaks. Available in Black, Blue, Red, and Silver, it provides both protection and a sleek look to match your BMX cockpit setup.
  • CNC-MACHINED ALUMINUM: Crafted from 7075 T6 aluminum for the post and 2014 T651 aluminum for the base, the Box One Stem Lock offers superior strength, durability, and fatigue resistance. Precision CNC machining guarantees a perfect fit and long-lasting performance under extreme conditions, making it an essential BMX bike stem lock.
  • ADJUSTABLE FIT: Designed with an extension range of 230mm max and 175mm min, the Box One Stem Lock allows riders to achieve a precise and optimized BMX cockpit setup for enhanced stability and comfort. Available in 1 Inch, 1-1/8 Inch, and 1-1/8 to 1.5 Inch sizes, ensuring compatibility with a wide range of BMX handlebars.
  • WIDE COMPATIBILITY: Backward compatible with all Box forks and designed to potentially work with other manufacturers' forks, this stem lock offers a hassle-free upgrade. Its cold-forged and CNC-machined construction ensures seamless integration with your bike’s existing setup.
  • LIGHTWEIGHT DURABILITY: Designed for maximum strength without unnecessary weight, this BMX stem lock reinforces critical stress points while maintaining an optimal strength-to-weight ratio. Whether navigating high-speed BMX tracks or aggressive terrains, it provides reliable security without adding excess bulk.

Size 1-1/8 Inch
Color Silver
Material Aluminum
Brand Name Box
Model Name Box One Stem lock 1 1/8" silver
Sport Type Cycling
Item Weight 0.2 Pounds
Part Number BX-SL1800118-SL
Manufacturer Box Components
Outer Material aluminum
Package Weight 0.1 Kilograms
Number of Items 1
Suggested Users unisex-adult
Included Components Stem Lock
Warranty Description Limited Lifetime Warranty
Item Dimensions LxWxH 1.5 x 2 x 9 inches
Item Package Dimensions L x W x H 8.78 x 2.17 x 1.38 inches

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4.7 out of 5
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31 ratings | 13 reviews
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