Shim spacers can be placed between bearing and compression cover in IS headsets to fine tune the fitment.
40-Series Bearing - Compatible with 110-, 40-, and 10-Series headsets
$9.50 - $15.99
Our Seatpost Adapters quite literally fill the gap, and with over 25 sizes available, the combinations are endless. These Seatpost Adapters are compatible with static, suspension and dropper Seatposts.
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