The Forge Cycleworks

E.Thirteen E.Spec Chain Guide for Bosch with 55mm Chainline

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£27.99 GBP

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The e*thirteen chain guide developed with Bosch helps keep the chain locked on the chainring when pedaling over rough terrain.

Included spacers now allow for 52 or 55mm of chainlines.

Product details

  1. Two-bolt nylon backplate mounts directly to Bosch motor
  2. 34-38 tooth compatibility
  3. Does not fit traditional ISCG mounts
  4. Designed for Trek 2020-2023 Rail & Powerfly models
  5. Included hardware is available separately for older models (See Service Parts)

SKU:W5285377
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