[{"id":139345789025,"handle":"all-chainrings","title":"All - Chainrings","updated_at":"2025-01-19T10:40:15+01:00","body_html":"","published_at":"2019-08-08T06:43:46+02:00","sort_order":"manual","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"chainring"},{"column":"tag","relation":"equals","condition":"after-market"}],"published_scope":"web"},{"id":138617847905,"handle":"all-products","title":"All Products","updated_at":"2025-01-20T04:05:04+01:00","body_html":"","published_at":"2019-07-30T05:30:21+02:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"0"},{"column":"tag","relation":"equals","condition":"after-market"},{"column":"tag","relation":"equals","condition":"b2c"}],"published_scope":"web"},{"id":138618601569,"handle":"all-cranks","title":"CRANKS \u0026 CHAINRINGS","updated_at":"2025-01-20T04:05:04+01:00","body_html":"\u003cp\u003eWhether you're smashing laps at the bike park, blasting singletrack, or grinding gravel miles, your cranks need to shine in the face of extreme punishment. e*thirteen engineers our cranks to deliver the strength-to-weight ratio you want and the durability to push your boundaries. 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Helix Core e*spec Direct Mount Chainrings feature our narrow-wide tooth profile, for reliable chain retention and an extra long wear life. Designed with an adjustable 13.5-15.5mm offset via spacer, they provide adaptability to both 53 and 55mm chainlines for Bosch CX and SX motor systems. Helix Core e*spec rings are cold-formed from steel then heat treated to provide excellent durability and toughness, all at a price that's easy on your wallet.
Chainline
53/55mm
15.5mm / 13.5mm Offset
Color
Black
Compatibility
Bosch SX / Gen4 CX Direct Mount
Material
4040 Steel
Size
34T, 36T
Weight
189g
Collapsible content
Bosch - Helix Core e*spec Chainring
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