ROCKBROS Lightweight Alloy Aluminum Bike Water Bottle Cage - Secure Hold Bicycle Bottle Bracket Color:black 【Simple to Use】The bike odometer

【Simple to Use】The bike odometer and speedometer package include two types mounts

so as not to damage the glass due to excessive suction

The top cover has an elastic band for more storage options

including mountain bikes and road bikes

Convenient mounting Reflective logo increase your night visibility

ROCKBROS Lightweight Alloy Aluminum Bike Water Bottle Cage - Secure Hold Bicycle Bottle Bracket Color:black 【Simple to Use】The bike odometerSecure and Sturdy : The water bottle lock design on the top and the two durable arms will keep the water bottle staying in secure condition. This secure mechanism will protect your water bottle stay sturdily, whether riding on the bumpy road or hitting berms,the water bottle will not drop out Easy to Access: Two flexible arms combined the large openings to allow you to get the bottle in or out easily. You could pay more attention to riding,rather than