The "Edge BSA Oversize Replica's " 91SA Stainless Axles
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"New" Heat treaded and harded, That make them the fastest non grooved axles out there!!!

The "Edge BSA Oversized Replica" 91SA "Stainless Axles" By Jewkes Engineering have revolutionized Pinewood Derby. Made to replace the oval and not straight BSA kit axles. If your Pinewood Derby rules state that you can not use grooved axles, then this is the axle for you! The 91SA's are CNC'd From a supeior grade stainless steel that gives you a perfect round and straight axle, when polished they look and feel like chrome. Engineered to be a superior axle over the BSA axle when using oil and graphite lubes and easy alignment, giving you The "EDGE" on the Competition... 

The 91SA measures at .091 to reduce the wheel slop over the standard kit axle at .086, this will ensure a more stable Pinewood Derby car. The axle head is tapered with a small notch to give you the least amount of braking friction possible, to turn your PineWood Derby racer into a high performance race car.

The "Edge" line of axles were designed to make it possible to run any type of wheel with the same car without modification of the axle hole. Requires use of a #43 drill bit when drilling the axle holes...

1 Set Of 4 91SA Axles

If you buy the prebent axle, it comes race prepped with tuning groove.

This is My choice of axle when it comes to replacing the BSA Axle!


Rise above being just another derby dad ... build with the pro's at Jewkes Engineering and get the "Edge On The Competition!"


  • Item #: 1-91SA

The "Edge BSA Oversize Replica's " 91SA Stainless Axles

Price: $12.00
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