What size bottom bracket do I need? What size seatpost do I have? What size bearings do I need for my headset? All valid questions for home bike mechanics and professionals alike.
Our Digital Caliper with LCD display is twice as accurate as competitors and sets the benchmark for Imperial and Metric measurement – with an accuracy of 0.01mm (0.0004") and a 15cm (6") capacity.
Bicycle specific reference chart printed on back.