Eliminate uncertainty when selecting the correct seatpost diameter with this precision measurement tool from Wheels Manufacturing. The durable acrylic construction withstands repeated use in shop environments, vehicle storage, or field repairs. This gauge accommodates 24 standard seatpost sizes spanning 25mm to 34.9mm, covering virtually every specification you'll encounter. Its compact design fits conveniently in toolboxes and portable kits without adding bulk, while the straightforward operation requires no special skills or calibration.
