Runwell Japan GAUGE42A
20.00 SGD
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 the two lines at the edge, the proper distance, 42 ± 2 mm, can be judged well maintained.
Specifications:
- Material : Aluminum
- Length : 80mm
- Weight : 28g
Photo Credit: Runwell Japan