Bike Forums - View Single Post - Replacement for Trek 520

08-18-24 | 05:52 PM

#24

mstateglfr

Sunshine

Joined: Aug 2014

Posts: 18,701

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From: Des Moines, IA

Bikes: '18 class built steel roadbike, '19 Fairlight Secan, '88 Schwinn Premis , Black Mountain Cycles Monstercross V4, '89 Novara Trionfo

Quote:

Originally Posted by HendersonD

Here are the drivetrain specs on the two bikes along with gear inch calculations. My 520 "granny gear" is 19.9 gear inches while the Checkpoint is a bit higher at 21.3. Would I notice this on a long climb with the bike loaded up with some gear for touring? I am guessing I would not notice it much without gear

The Trek alr5 that you linked in your first post is 1x.
It's a 44t chainring and an 11-44 cassette.
44-44 results in 28 gear inches.

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