SPEED KIT, ALUMINUM THREADED, includes 8 threaded aluminum step down axle spacers to fit standard 608 bearings, 16 steel bolts (including 2 extended bolts to fit brake) and 2 hex keys for assembly. Great value.

SPEED KIT, ALUMINUM STRAIGHT-THRU, includes 8 unthreaded step down aluminum axle spacers to fit standard 608 bearings, 8 steel bolts and 2 hex keys for assembly. Great value.

SPEED KIT, STEEL-THREADED, including 8 step down steel threaded axles, 16 steel bolts (including 2 extended to fit brake), 2 hex keys for assembly. Best for hard duty like hockey or off-road applications. Great value.

SPACERS, ALUMINUM STRAIGHT-THRU. Great value.

SPACERS, ALUMINUM STRAIGHT-THRU, STEP-DOWN 100 PACK. Priced per 100.
Need smaller quantities? Visit https://www.ebay.com/itm/132406014254.

SPACERS, ALUMINUM THREADED, STEP-DOWN BULK PACK for 608 bearings. 100 count. Priced per 100.

Steel Inline Skate Axles, 39mm x 6mm, Bulk pack of 80. Includes 8 pair of hex keys to fit.