Smith Shift MAG Sunglasses - One Size Fits Most - Matte Black - Chromapop Sun Black Lens YGroup_7033479757869 41mm OD bottom brackets as

41mm OD bottom brackets as well as Shimano direct mount chainrings

NOTE: For cranks using the ISIS Drive or Octalink system

The triple segmented back shell plate is constructed from a high-performance polymeric material blend for optimized flexibility and excellent weight saving properties

If are looking for a great value hydraulic disc brake setup then the Shimano Deore BR-MT410 Disc Brakes are definitely worth a look

Remove the rubber grommet covering the valve

Smith Shift MAG Sunglasses - One Size Fits Most - Matte Black - Chromapop Sun Black Lens YGroup_7033479757869 41mm OD bottom brackets asGeared for speed. The Shift MAG gives cyclists and runners every performance advantage possible, from the superlight frame down to the nose piece. The coolest feature is no doubt the interchangeable lens technology. Snap the magnet on the side for quick, fingerprint free lens changes. These Smith sunglasses come with one clear lens as well as a colour enhancing ChromaPop lens. Flatter than most performance eyewear, the 5 base frames stay put with a