Upgrade your old system with this wear resistant raod Front and rear arch bicycle brake set (85 characters)

feature: *Brand new and high quality *Made of high-quality materials, *Used to replace old school bikes，raod bike， brakeStrong applicability Easy to install practical wear resistance * for 20-26 inch bike with brakes，Symmetrical desig，Symmetrical, uniform force, more stable braking, good braking effect *easy to use and install,Clamp brake before and after the differenceBefore clamp type brake: the total length of screws on the back is 50mmAfter clamp type brake: Total length of screws on the back 40mm Specifications: type:brake Color: sier,black weight：320G size:front: 50MM,rear：40mm *Product Name:brake *Material:PCB Package content: 1pair brake Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brighess of your monitor and light brighess. 2. Please allow slight manual measurement deviation for the data.