$18
Maybe you have an Erlen rack from the time they came with one bolt? Lost the spares that came with the next round? of just need longer bolts?
This is a full set, 2@M5, 2@M6 1@M7 and 1@M8. this should cover the bases for "Most" seat posts that people using an Erlen rack would encounter.
For reference, some common posts and their bolts:
Sold Out - $120
Update: 12/10/20 We were able to get a couple dozen for direct sale, and a handful...
$4
Over the years the photos of this hack have been some of my most popular....
$50 $60
Thank you for the incredible initial response to these Stem Top No.1 This is the...