Traction Bar
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.divdisc { margin: 0 auto; position: relative; } .divdisc h2 { margin: 0 0 5px 0; font-size: 24px; font-weight: 600; letter-spacing: 2px; } .divdisc p { color: rgb(80, 80, 80); font-weight: 300; } .divdisc a { color: #1684d7; font-weight: 700; } .divdisc-content { max-height: 4.5em; /* 约3行文字 */ transition: max-height 0.4s ease; overflow: hidden; position: relative; } .collection-fadeout { position: absolute; bottom: 2.5em; left: 0; width: 100%; pointer-events: none; transition: opacity 0.3s; background: linear-gradient(to bottom, rgba(255, 255, 255, 0), #fff 90%); line-height: 4em; height: 4em; } .read-more-btn { border: 1px solid; padding: 5px 10px; width: 80px; border-radius: 3px; font-size: 13px; font-family: 'Staatliches'; text-align: center; margin: 20px auto; cursor: pointer; } @media (min-width: 768px) { .divdisc { width: calc(60% + 60px) !important; } } A traction bar mounts between the rear axle and frame to prevent axle wrap — where the axle twists under hard acceleration, deforming the leaf springs and causing wheel hop, driveshaft damage, and worn U-joints. As torque hits the rear wheels, the axle housing tries to rotate against them. The traction bar absorbs and redirects that force downward into the axle tubes, keeping power transfer smooth and stable. Who Needs a Traction Bar? Traction bars are an essential upgrade for: Lifted truck owners — Lift kits increase axle wrap risk by altering suspension geometry and increasing stress on leaf springs during articulation. Towing and hauling trucks — High-torque loads amplify rear axle instability, making traction bars critical for heavy-duty use. Performance and drag racing builds — High-horsepower leaf-spring vehicles rely on traction bars to keep power on the ground and eliminate wheel hop during launches. Off-road rigs — Trucks that frequently traverse uneven terrain benefit from the added rear-end stability that prevents unpredictable axle movement. + READ MORE