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Product information "e*thirteen Helix R E-Spec Bosch Gen.4 32Z Black"
e*thirteen spared no expense in developing the Helix R e*spec chainring.
Designed for Bosch 4th generation e-bikes, this 1-piece direct mount chainring is forged from 7075 AL to ensure stiffness, strength and the longest lifespan.
Extensive CNC machining and M3 tooth profile results in an ultra-lightweight upgrade chainring that offers the best Shimano/SRAM cross-compatible chain retention and a striking engineered aesthetic
features
High-quality, CNC-milled Direct Mount chainring for E-MTBs
Material: CNC machined 7075 aluminum
Narrow-wide tooth profile for excellent chain guidance
Flip-Flop ring for adjusting Boost/Super Boost chain line
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