Polar Combo Narrow Type Lower for Handlebar Clamps with a Diameter LEC-Mount Mount, Double-Ended (with Adapter) [PL-Narrow19+GP] 31.8mm

This is the ultimate solution for streamlining your handlebar area. This is a dedicated model for the best-selling, manufacturer-recommended, narrow-type POLAR cycle computer. It's made of AL6061 aluminum (CNC machined). Compatible with 31.8mm clamp diameter bikes (shims cannot be used). The combo model comes with a dedicated lower adapter (GP-K400A) with a GoPro interface, allowing you to attach cameras such as the GoPro HERO series, Shimano, Garmin, and fry12. For example, the PL-Narrow19+GP can be fitted with a CATEYE light by adding the separately sold Light Adapter Type 2 [GP-CATHL2]. Other options include Lezyne, MOON, and general-purpose versions. Examples of extension parts: 1. Bell kit for double-sided narrow [Bell-Narrow] 2. Base adapter for double-sided mounting of two units [400-Double-GP3] 3. Di2 junction adapter [Di2-Specer3] 4. Double arm set (extension kit) [D-Arm-R+] [D-Arm-T1], etc. 5. Base plate (socket) replacement. Common/5mm → Common is installed. 5mm type can be used. Compatible models: V650, M460, M450 (as of July 21, 2017) Compatible with the OEM adjustable front bike mount 91060329. Compatible with computers (no adapter required).