Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout. - 8th Generation Bone Conduction Technology - IP67 Waterproof (Not for swimming)  - Lightweight + Comfortable - 8-Hour Battery Life + Quick Charge

Shimano BT-R1A External Di2 Battery - All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions - Use Di2 system checker to update component firmware - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs. - Up to 1000 kilometers of riding per charge - Weight: 24g - Finish: Black - Compatibility: SRAM RED eTap

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

Wireless mounting bracket for 2012, 2009 STS & 2006 DTS model computers. Handlebar or stem mount. Compatible models: BC 1106 DTS BC 1606L DTS BC1706HR DTS BC 2006 MHR DTS BC 1009 STS BC 1609 STS BC 8.12 ATS BC 12.12 STS BC 14.12 STS BC 16.12 STS Baseline 1200 plus

The MSW Computer Spoke Magnet is designed to fit round and bladed spokes of various diameters. - Tool-free installation - Alloy construction - Fits round and bladed spokes

Replacement Micro USB recharging cable for Lezyne Macro Drive, Mini Drive XL, Power Drive XL, and Super Drive XL LED Lights.

Wheel magnet for all CatEye cycle computers

The H-34 Flex-Tight Bracket is an OEM handlebar bracket so you can attach Cateye accessories. It fits all handlebars up to 32mm in diameter.