This chain guide is adjustable in two directions: vertically and horizontally.
Vertical adjustment is made by loosening and tightening the bolt beside the "Strummer" logo. The approximate maximum vertical adjustment is 25 mm.
Horizontal adjustment (closer to or farther from the bike) can be made by adding or removing spacers behind the plastic part. We provide 4 spacers, each approximately 1 mm thick. A maximum adjustment of 4 mm can be made.
Specifications
Material: Aluminum Alloy
Maximum Chainring Size: 40T
Round Hole Size (to Insert Bottom Bracket): 34.5 mm