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Rib and Roll Posted by Francis on June 12th, 2009

GSport Rollcage
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We have a lot of new rims available in various colors for all of your shredding and color-coordinating needs. The top of the line Ribcage rim is now available in the following hard-anodized, brake-friendly colors: red, blue, gold and black. In the Rollcage front, new colors include Fluorescent Pink, Ocean Blue, hard-anodized gold and hard-anodized blue.

The Ribcage uses a proprietary grade of aluminum that maximizes the rim’s strength to weight ratio. Its cross-sectional design incorporates unique “ribs” that run around the inner circumference of the rim to provide support for the spoke nipples, preventing pull-through and stiffening the overall structure. The sidewalls have been thickened for greater resistance to ding impacts, while the inner walls remain thin, optimizing efficiency in the section.

The Rollcage cross-section uses the Ribcage as a starting point, but consists of a simplified cross-section design that is also slightly narrower. By using traditional 6061-T6 aluminum and eliminating the “rib” feature, the Rollcage provides a good balance between strength, weight and affordability. The sidewalls are thickened to resist ding impacts, while the inner walls remain thin, optimizing efficiency in the section.

The cross-section designs of the Ribcage and Rollcage employ a cross-spoke lacing pattern. The spokes are laced so they are crossing from one side of the hub to the opposing side of the rim, forming a stronger build, with the nipples positioned toward the center of the rim to reduce grind damage.