※Please let us know before purchasing if you would like to change to a Bryton mount base. Weight: Approximately 44g (actual measurement, may vary) Material: Resin, Stainless Steel Color: Black Contents: Reinforced nylon bracket x 1 Dedicated M5 stem bolts x 2 M5 cap bolts x 3 Washers x 4 Light hanger x 1 Garmin mount base x 1 M3 cap bolts for fixing the mount base x 2 Hex wrench included ※If you want to attach a cycle computer compatible with Garmin other than Garmin, please check the instruction manual or manufacturer's website and make your own judgment. This is a mounting system that is installed by replacing the stem fixing bolts of a sports bike, such as a road bike, with the included dedicated M5 stem bolts. Due to the structure of these dedicated bolts, the stem and bracket are fixed separately, allowing for individual torque management. A cycle computer mount base can be installed on the upper part of the bracket. A light hanger compatible with tripod mounting stays for GoPro, etc., can be installed on the lower part. 【Important: The upper and lower parts are fixed with a common bolt, sandwiching the bracket. Due to the structure, the direction of the mount base and light hanger cannot be changed individually. Please check the socket direction of your cycle computer before purchasing.】 Shipped via anonymous delivery. If you purchase this item together with other items that can be shipped together, we will discount the shipping fee.