Alex Supra-B1 Pro Rim Especially designed for fast downhill descents. Big hits are welcome The design of the centre beam and the spoke hole drilling position not only breaks with tradition, but also makes the rim stronger and tougher. Alex Supra-B1 Pro Rim Features: Lightweight Double wall design. Semi-low profile design. Welded joint. 11 degree spoke angle. Hollow cross off-set helps to cradle the rim strip. Round beam design combines with a short wall height to prevent pinch flats. 24 quot;, 507X25, 550g, ERD: 483. Buy Alex Supra-B1 Pro Rim from Chain Reaction Cycles, the worlds largest online bicycle store.
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