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Weight: 370 grams (32 hole)
Internal/External Dimension: 21/24.4 mm
Drilling: 32 hole
Valve and rim strip are NOT included.
One of the lightest 29er options, Stan's ZTR Crest 29er blends features of a ZTR Race rim with a ZTR 355, making it the best of both worlds. This rim offers the wall thickness and corresponding durability of a ZTR 355 with next generation BST (ball and socket technology), creating a wider rim with shorter sidewalls. The ZTR Crest 29-inch rim features a fully welded seam and can be used with a standard tire/tube combination or tubeless tire.
Stan's Patented Bead Socket Technology™ (BST) allows the sidewall of the rim to be lowered by 2-3mm. The elimination of the bead hook and the reduction of the sidewall reduce the overall weight of the rim. The curve of the rim sidewall is the same shape as the bead of the tire so they fit together like a ball and socket joint. This design will help reduce the strain on the tire bead while creating a tighter seal.
By lowering the sidewall of the rim, Stan's also reduces the mechanical leverage the tire has on the rim. This makes the rim stiffer and longer lasting by eliminating flexing that can cause cracking.
Finally, with shorter sidewalls the tire should not hit the rim and pinch flat as often as on standard rims, either with or without tubes. This design allows you to run lower pressures and use more of the tire than ever before. The tire will give you better traction than any rim in the world.