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Replacement ISCG bolts and chainline spacers
APS preload adjuster
e*thirteen’s wider range and 9-tooth cog allow riders to run a 2-tooth smaller chainring for more clearance and reduced weights
low profile
Replacement upper armature for gen3 Vario chainguides
e*spec Plus Chainguide ethirteen Replacement ISCG bolts and chainlineOur e*spec Plus Chainguides are designed specifically for use with eBikes. An ISO conforming upper slider keeps your chain on and your clothing out of your drivetrain, and a carbon injected backplate delivers ultimate strength in a lightweight package. Looking for a Bosch guide? Check out our new Core e*spec Chainguides.