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Create an accountHelix Core e*spec rings are cold-formed from steel and then heat-treated to provide excellent durability and toughness, all at a price that's easy on your wallet.
- Long-lasting and economical steel construction
- M4 narrow-wide tooth profile (our latest M5 profile on Avinox® rings) for excellent chain retention and Shimano®/Sram® drivetrain compatibility
- Compatible with Sram® T-type® chains
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Review Helix Core e*spec Steel E-MTB Chainring - Bosch / 34T