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Quantity
1
Description
The Speedline Alloy Chain Tensioners have a 3/8" axle hole and will work with most 3/8" (10mm) hub axles.
Its single-bolt design keeps chain tension uniform and straightforward.
We also moved to a single-bolt design to cut down on weight. I...
Reviews
5.0
4 ratings
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The best in the BMX market and their shipping was amazing
Stephen · February 5, 2026
Works great
M
Michelle · August 15, 2025
Chain tensioners
I'm building a supercross AMX 250, they've been very helpful with every part I've needed