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e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights
in a robust saddle bag which is built to last
New hardened double deadbolt design with anti-rotation resist against twist
Helix Race e*spec | Chainring | 32T | Bosch SX / Gen4 CX Direct Mount | 15mm Offset | Shimano/SRAM 11/12s Chain Compatible | Bronze
1 Offset 14mm Offset Q-Factor 200
E*thirteen Helix Race 12s Cassette - 13 Hydration Pack e*thirteen’s wider range and 9Helix 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
