- 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.
- Color: Black.
- Compatibility: Bosch SX / Gen4 CX Direct Mount.
- Material: 4040 Steel.
- Weight: 189g.
Brand
E*THIRTEEN
Vendor Part Number
CR5ESA-101
Color/Finish
Black
Product Name
Chainring
Type
Ebike
Units
Each
E*THIRTEEN
CHAINRING BOSCH 36T HELIX CORE
12140020 / CR5ESA-101
38,95EUR*
*incl. 19% VAT
9+
In Stock
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Product Information
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