![Crust Bombora Enve](http://r3cycles.com/cdn/shop/articles/Crust_Bombora_041221-1_533x.jpg?v=1639284283)
Crust Bombora Enve
Another weekend, another Crust Bombora build. Keep it Crusty. 🌹
Absolute Black
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AB Silver Series line of Shimano 110/4 bcd oval chainrings is designed for new type of Shimano cranks like Dura-Ace 9000, Ultegra 6800, 105- 5800 and others. This is a simplified version of our Premium line. Same aluminium, teeth and shifting ramps, but less material machined out on the outer side for easy maintenance and cleaning