SRAM Eagle 90 Mechanical Transmission mountain bike drivetrain Review: finally a simple, affordable, tough & serviceable MTB groupset Support us! Bikerumor may earn a small commission from affiliate links in this article. Learn More
The all-new SRAM Eagle 90 Mechanical Transmission that debuted today is exactly what I was looking for in a new drivetrain for my super trail bike. Last fall, I built up a killer long travel mountain bike that could pedal up as well as it shredded down. It was gonna see a lot of abuse. The ridden hard and put away wet kind.
So, I needed a drivetrain that was: mechanically simple, built tough, but also not so expensive that it wouldn’t break the bank if/when I needed to replace it. I also didn’t want to sacrifice gearing range or shift precision. And frankly, I didn’t want to have to remember to keep it charged.
Last fall, there really wasn’t anything that checked all those boxes. Today, Eagle 90 Mechanical changed that. SRAM Eagle 90 Mechanical is affordable, simple & built tough
(All photos/Cory Benson) In late 2024, I got ahold of a new Scott Ransom frameset to build up into a bike that I could ride the most technical trails I could find. Some days pedaling to the top of mountains for all-mountain adventure rides, other times turning back-to-back enduro, freeride & DH laps in bikeparks.
This amazing bike pedals like any mid-travel trail mountain bike in its reduced travel Climb mode. Then, ‘volume spacers at […]
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