Want to get to the optimal gearing? This tool will help you determine the tire, chainring, cog combos that will get you to a specific rollout.
Follow the 4 steps below to see which combos will work for you.
Step 1: Select the range of gear inches you are looking for.
Step 2: Select the tire size and check off one or more specific tires.
Step 3: Select chainrings and cogs you have.
Step 4: Review all the combos that get you into the range you selected.
| Gear Inches | Tire | Front Chainring | Rear Cog |
|---|---|---|---|
Step 5: If you need more chainring options Ebay has lots of Rennen Chainrings.