Three CNC-machined measurement lines ensure 1/100th tolerance for accurate chainline checks
Aluminum construction provides durability and lightweight handling
Vertically adjustable design allows for precise alignment and measurement
Compact and portable with cord or chain for easy transport
Matte black anodized finish for a sleek, professional look
Summarized by Shop
Maximize performances with the best chainline! The specialized gauge supports self-maintenance for ideal chainlines.
GAUGE42A is an aluminum gauge that allows chainline maintenance by measuring the distance from the seat tube to the chainring. With one line aligned on the center of the seat tube, if the center of the chain fits between
