




Core e*spec Chainguides offer a lightweight, durable chain retention solution for Bosch® CX Gen4, Gen5, and Shimano® EP8 motor systems, with 55mm chainlines.
Core e*spec Guides are designed to provide the long-lasting performance of an alloy backplate guide, with a wider 55mm chainline for modern Boost and Super Boost e-bikes. They feature a wider offset to accommodate 2-pc chainrings, which often have clearance issues, and our latest e*spec upper sliders, which provide unprecedented retention while improving ease of setup and maintenance.
- Adjustable upper slider
- Durable aluminum backplate
- Includes ISCG mounting hardware for 55mm chainline
Backplate material
Capacity
Bosch CX Gen5: 32-36T
Shimano EP8: 34-38T
Chainline
Color
Compatibility
Features
Included
Mount
Upper Slider
Weight
Bosch CX Gen5: 53g
Shimano EP8/E8000: 65g

Guaranteed to be free from defects in materials or workmanship for 5 years after original purchase