i9 Hydra End Caps
These are replacement endcaps for Industry Nine Hydra hubs.
- 15 x 110 or 20mm non-boost front
- 12mm drive-side for XD and HG rear
- 135, 141, 170, or 190mm QR rear
B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.
Articles will open in new tab.
Comparing bottom bracket types and standards.
You wanna go fast? Join the ceramic revolution!
Make your upgrades count. Here's the equipment that will help you ride your bike faster.
Campagnolo vs. Shimano vs. SRAM: demystifying groupsets.
What to consider when selecting a crankset for your road bike.