5DEV 8 Bolt Spider Mounts Dura Ace 2x Rings on Their Ti + Other 8-Bolt Cranks

January 17, 2025

in Cycling

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Midway through last year, 5DEV introduced us to their new titanium cranks. The sleek crankarms are made with laser-welded titanium to create a hollow arm that’s both light and durable. The arms also feature a SRAM 8-bolt chainring interface, making them compatible with Quarq power meters, SRAM 1x and 2x chainrings, and 5DEV’s own aero rings.

5DEV 8 bolt spider for Shimano Dura Ace 2x chainrings on SRAM 8bolt cranks

5DEV 8 bolt spider for Shimano Dura Ace 2x chainrings

But what if you want to run Shimano chainrings? Well, they hinted that a Shimano 2x compatible spider was in the works, and it’s finally here. The interesting bit is that while the spider allows you to use Shimano rings on the 5DEV cranks, it should also be compatible with most 8-Bolt cranks meaning you could use this spider to run Shimano rings on a SRAM 8-Bolt crankset if you found the need.

Made in house, the spider is machined from aluminum and weighs in at 73g. The spider uses the Shimano 4-bolt 110BCD mounting standard for Dura Ace 2x rings only – this will not work with Ultegra or GRX.

The Spider sells for $179.99 and is available now.

5dev.com

Zach Overholt is the Editor in Chief of Bikerumor. He has been writing about what’s new in the bicycle world for 12+ years. Prior to that, Zach spent many years in the back of a bicycle shop building and repairing nearly every type of bike, while figuring out how to (occasionally) ride them.

Based in Ohio, Zach is now slowly introducing a new generation to cycling and still trying to figure out how to fit the most rides into a busy schedule as a new dad.

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