Give yourself that extra sense of security along the trails with the SHIMANO STEPS CD-EM800 chain tensioner for e-MTBs.

Features
Helps stabilize the chain and prevent chain drops along rough, bumpy sections
Compact and clean design
Compatible with 53 mm, 55 mm, and 56.5 mm chain line
Precise adjustment mechanism on guide
Ultralight 
Compatible with bikes with rear suspension travel from 0 to 170 mm
Open design for easy mud removal

Mfr Claimed Weight
TBC