These Straightline tungsten washers are made for fine-tuning adjustable clutch weights, with each washer adding 2 g so you can dial in engagement rpm without swapping the weights themselves. The kit of 12 gives you a full set of tuning increments to work with, and the compact 1 x 1 x 1 in size keeps them easy to handle and store between runs.

Sold as a 12-piece kit, they suit riders who want repeatable, small adjustments across multiple setups rather than a single one-off change.