RMENOOR Bicycle Bottom Bracket Square Hole Crank Axis 68*122mm Axle Sealed Road Bike Bottom Bracket with Spindle Mountain Bike Center Shaft With Wrench&Waterproof Screws for Mountain Bikes,Road Bikes

• 🚲【Carbon Steel Material & Durable】RMENOOR Bike Bottom Bracket is made of high-quality carbon steel, which is sturdy and durable, well-made, smooth and no abnormal noise. Good quality not only provides safety for your use, but also increases the longevity of the product.
• 🚲【Square hole design】The square hole design of this Bike Bottom Bracket can not only protect the frame and provide more power, but also ensure the smooth and stable rotation of the central axis, and the waterproof screws prevent the bracket from corroding. 2-bearing precision thread design for better connection with bike arms.
• 🚲【Bicycle Bottom Bracket Set】This set includes 1 bicycle bottom bracket, 2 waterproof screws and 1 wrench. The Bike Bottom Bracket measures 122mm, the center length of the hex key is 8mm, and the total length is 41*90mm. This can help you install quickly.
• 🚲【Easy Installation & Sealed Bearings】RMENOOR Bike Bottom Bracket is easy to install, after adjusting with screws and wrench, it can fix the mountain bike firmly without shaking, ensuring the bearing rotates stably. The waterproof design of the sealed dust-proof bearing and bearing cap helps prevent erosion from sediment and water.
• 🚲【Suitable for 68mm Bottom Bracket】This bike bottom bracket kit has good compatibility, bottom bracket with square pin for 68mm bike bottom, can be used to install and maintain mountain bikes, road bikes, etc. Weekends or breaks are fun rides with friends and family.

RMENOOR Square Taper Cartridge Bottom Bracet --- Good workmanship, smooth running, no unusual noise, is an important bicycle accessory 🚴Safe to Use The square design protects the frame and performs better than ordinary bottom brackets. Our products have beautiful appearance, fine workmanship, convenient operation, reliable use, built-in structure, no abnormal operation noise, and can be used with confidence. 🚴With Waterproof Screw RMENOOR Bicycle Bottom Bracket bicycle accessories are equipped with waterproof screws, the bearing is smooth, the wear resistance is greatly improved, and it is not easy to rust. 🚴Easy to Install Our bike bottom brackets are easy to install and operate, paired with our screws and wrenches for easier installation, and their ability to slide prevents components from sticking to make racing your bike easier. 🚴High Quality Metal Material Our bicycle bottom bracket is made of high quality carbon steel metal material, with high strength, not easy to shake, loose, strong and durable. 🚴Wide Range of Applications Our bicycle bottom brackets are suitable for mountain bikes, derailleur gears and more. is an important bicycle accessory. Specifications Material: carbon steel Colour: Black Size: 68*122mm Suitable: for 68mm Frame Shell Package Includes： 1*Bike Bottom Bracket 2 * Waterproof Screws 1*Allen key