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Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX
Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm) - Supercross BMX

Speedline Parts | CNC'd Alloy BMX Chain Tensioner Kit 3/8" (10mm)

$ 24.95 - $ 29.95

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. It's only a few grams, but those saving add up!

Our chain tensioners come in a pack of two, available in various colors!

Race calendar

Never miss a USABMX national

Add the 2026 USABMX national race schedule to your calendar with one click. Built by Supercross BMX so racers, parents, and fans can keep every national weekend in one place.

Add to Apple Calendar Add to Google Calendar Download .ICS

Dates are based on the official USABMX national schedule and may be updated if changes are announced. This calendar is a fan/racer convenience tool from Supercross BMX and is not an official USABMX calendar.