These lovely shifters have the distinctive shape and microratcheting you found on the Suntour equivalent in the eighties, will last forever, can be mounted in a variety of ways, and look amazing.
It's a bit complex to put into words whether you should be getting the X or O versions based on your installation type but Riv's handy schematic in the product photos here should give you a good idea! They also provide excellent guides to friction shifting in general.
Please consult this guide for lever selection depending on where you'll be putting these:
Orders over a minimum threshold ship for free within Canada, with a flat rate for smaller orders. International orders are calculated, and US orders will have tariffs applied in the cart as a line item.
