Box Four 8 Speed Shifter apparel you'll receive a Box One

you'll receive a Box One shifter

With this pre-configured and pre-tested option

Did you know that you can mix and match Prime 9

Lockring & Cogs replacement for Box Three Prime 9 cassettes

Push through fewer gears with a no-nonsense shifter

Box Four 8 Speed Shifter apparel you'll receive a Box OneThe Box Four shifter's main features aren't strikingly different from Box Three's. The key difference is its 8 speed platform. We've chosen to modernize the 8 speed in much the same way we did the 9 speed for Prime 9. Just like the Prime 9, the Box Four shifters take advantage of the "less is more" theme and exploit durability, simplicity, and reliability. Available as a multi shift (pull several gears at once) or single shift shifter (a sound choice