Maximum Drivetrain Capacity Explained! Everything You Need to Know

In this video, I’ll break down the concept of maximum drivetrain capacity and show you how it affects your bike's gear performance. Maximum drivetrain capacity refers to the amount of chain slack your derailleur can handle, calculated by combining the differences in teeth between your chainrings and cassette cogs.

I’ll walk you through how to calculate this using the example of the Shimano 105 R7100 and R7150 groupsets. We’ll explore what happens when your drivetrain’s capacity is exceeded, and I’ll show you how to find your groupset's limits to prevent common gear-shifting issues.

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00:00 - Start
00:06 - What is a maximum drivetrain capacity
00:22 - What can happen if you exceed the maximum drivetrain capacity
00:51 - How to find a maximum drivetrain capacity for a groupset
01:43 - Final words
02:14 - Bloopers

[markotrieste]

Ok, but given the total capacity, which is the best way to obtain the maximum spread and homogeneity in steps?