E Thirteen E-Spec Plus Shimano E8000 ChainguideSpecifically designed for electric mountain bike riding, this high-quality chainguide features a carbon composite backplate that’s durable and dependable, without adding any unnecessary weight to your ride. E Thirteen has also equipped this model with Shimano E8000 mounting compatibility for quick and easy installation to your E-MTB. Another highlight is its ISO-conforming upper slider, which keeps your guide on and your clothing out of your drivetrain. Weighing in at only 39g, this chainguide delivers ultimate strength in a lightweight package.Features: Backplate Material: Carbon Composite Use: Electric Mountain Bike (E-MTB) Capacity: 34-38T Chain Retention: Yes Mount: Shimano E8000 Upper Slider: Adjustable, ISO-conforming upper slider Chainline: Non-Boost, Boost, SuperBoost via chainline spacers (spacers not included) Included: Chainguide, ISCG bolt x2, and User Manual Weight: 39gManufacturer’s Part Number: E13CG2001 Black 34-38tBuy E Thirteen Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.