Specification Brand : ROCKBROS BulletPoint1 : Smooth Surface:With surface polish processing technology,the water bottle cage is friendly compatible with your bike frame and water bottle,stay away from scratching.Meanwhile, electroplated gradient deisgn,color changed showing the great appearance BulletPoint2 : Sturdy & Secure:The water bottle holder has arms that wrapped around the water bottle and the water bottel lock design on the top will keep the water bottle staying in secure condition.This secure system will protect your water bottle stay sturdy,whether you’re commuting cycling or riding on the bumpy road,the water bottle will not drop out BulletPoint3 : Universal Fits:With flexible arms, the bike water bottle holder fits most standard & oversized bikes,and most standard bicycle water bottles.This bike water bottle cage could fit sizes: 20, 21, 25, 24, 25 ounces (500, 550, 650, 750ml sizes) bottles.It is easy to take the driking,spring water,or sports squeeze water bottle BulletPoint4 : Superior Material:ROCKBROS bike water cup holder is made of flexible PC material.High toughness and elasticity will not be broken easily.Also it is so lightweight,only about 30g for whole holder,with no any burden for your cycling travel BulletPoint5 : Easy To Install: Each bottle cage comes with 2 stainless steel bolts and 1 tool for installation.Please Notice :Bike frame requires threaded holes for install of the bottle holder,oval mounting holes allow for slightly adjust the position on bike frame Color : Red Golden-KR03 ExternallyAssignedProductIdentifier1 : 725576362832 ExternallyAssignedProductIdentifier2 : 0725576362832 IncludedComponents : Comes with housing ItemName : ROCKBROS Bike Water Bottle Holder Bicycle Bottle Cage Mount Lightweight Vacuum Plating PC Bike Cup Holder Brackets for Mountain and Road Bike Cycling Accessories for Outdoor Sports-2Pack ItemPackageDimensions_Height : 17.2974 centimeters ItemPackageDimensions_Length : 9.1948 centimeters ItemPackageDimensions_Width : 11.5062 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-water-bottle-cages Manufacturer : ROCK BROS Material : Polycarbonate ModelName : bike water Cage bolts-Red ModelNumber : KR03-RG*2+BS-03BK/US NumberOfItems : 1 PartNumber : KR03-RG*2+BS-03BK/US ProductDescription : ROCK BROS Bike Water Bottle Holder Bicycle Bottle Cage Mount Lightweight Vacuum Plating PC Bike Cup Holder Brackets Brand:ROCKBROS Color:Gradient Material:PC Weight: about 30g Key Fearures: Smooth surface:With surface polish processing technology and flexible PC material,the water bottle holder will not scratch your water bottle or your bike frame Sturdy & secure:With arms wrapped around the water bottle and the water bottle lock design on the top,which will avoid the the water bottle slipping out Universal fits:This bike water bottle cage could fit sizes: 20, 21, 25, 24, 25 ounces (500, 550, 650, 750ml sizes) bottles How to install : Each bottle cage come with 2 stainless steel bolts and 1 tool for installation. Please Notice :Bike frame requires threaded holes for install of the bottle holder,oval mounting holes allow for slightly adjust the position on bike frame