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The welded 6069 asymmetric aluminum rims with 30mm inner width have ample lateral stability but with a low profile height
Easy switch operation - Lens acts as power / mode button
Easy to attach and remove
With weights starting at just 310g
in a robust saddle bag which is built to last
E*thirteen Helix Race 12s Cassette - 13 Hydration Pack The welded 6069 asymmetric aluminumHelix Race Cassette 12 Speed 13 52T Bronze Helix R 12s 13 52T Cassettes are a new close ratio gearing design, engineered specifically to optimize cadence and shift performance under load in steep terrain with frequent climbs and gravity powered descents. While the close ratio concept was conceived as a game changer for e bikes and built exceptionally strong, it's equally at home on mountain bikes and weighs in at an impressive 467g. Offering
