The BIKONE BSA MTB Shimano Ceramic bottom bracket is engineered exclusively for mountain bikers who demand the most in durability and performance on tough trails. This bottom bracket is asymmetrical because it takes up the space previously occupied by the spacer, making it more robust. With our Dual Cup Technology (DC Tech) and top quality steel bearings, you will enjoy the smoothest rides, ensuring every pedal stroke feels effortless on any terrain. Because conquering trails calls for the best. Assembly instructions and spacer list: Click here. Note: For correct compatibility, mountain cranks should always be mounted on mountain frames. @media only screen and (min-width: 1000px) and (max-width: 5000px){body.kc-css-system .kc-css-891560{width: 39.83%;}body.kc-css-system .kc-css-163127{width: 60.14%;}body.kc-css-system .kc-css-329159{width: 100%;}body.kc-css-system .kc-css-769533{width: 51.84%;}body.kc-css-system .kc-css-854581{width: 48.15%;}}body.kc-css-system .kc-css-891560{padding-top: 0px;padding-right: 36px;}body.kc-css-system .kc-css-891560{border-radius: 10px 10px 10px 10px;}body.kc-css-system .kc-css-360725.kc_title,body.kc-css-system .kc-css-360725 .kc_title,body.kc-css-system .kc-css-360725 .kc_title a.kc_title_link{font-size: 36px;padding-left: -14px;}body.kc-css-system .kc-css-360725{margin-top: 2px;}body.kc-css-system .kc-css-163127{background: #ffffff;border-radius: 10px 10px 10px 10px;}body.kc-css-system .kc-css-163127{padding-left: 62px;}body.kc-css-system .kc-css-299322 .kc_accordion_header,body.kc-css-system .kc-css-299322 .kc_accordion_header > a{font-size: 22px;}body.kc-css-system .kc-css-299322 .kc_accordion_header a{color: #000000;font-weight: 500;}body.kc-css-system .kc-css-299322 .kc_accordion_header{background-color: #f2f2f2;border: 1px hidden #064797;}body.kc-css-system .kc-css-299322 .kc_accordion_header:hover a{color: #064797;}body.kc-css-system .kc-css-299322 .kc_accordion_header:hover a i{color: #064797;}body.kc-css-system .kc-css-299322 .kc_accordion_header:hover .ui-icon{color: #064797;}body.kc-css-system .kc-css-299322 .kc-panel-body{padding-left: 35px;}body.kc-css-system .kc-css-438377 ,body.kc-css-system .kc-css-438377 p{color: #000000;font-size: 16px;}body.kc-css-system .kc-css-331685 ,body.kc-css-system .kc-css-331685 p{color: #000000;font-size: 16px;line-height: 38px;}body.kc-css-system .kc-css-439498 ,body.kc-css-system .kc-css-439498 p{color: #000000;font-size: 16px;line-height: 26px;}body.kc-css-system .kc-css-319972{background: #f2f2f2;padding-top: 58px;padding-bottom: 58px;border-radius: 10px 10px 10px 10px;}body.kc-css-system .kc-css-751516{padding-left: 30px;border-radius: 10px 10px 10px 10px;}body.kc-css-system .kc-css-74233.kc_title,body.kc-css-system .kc-css-74233 .kc_title,body.kc-css-system .kc-css-74233 .kc_title a.kc_title_link{font-size: 37px;text-align: center;margin-top: 71px;}body.kc-css-system .kc-css-856973 ,body.kc-css-system .kc-css-856973 p{color: #000000;font-size: 16px;}body.kc-css-system .kc-css-856973{padding-top: 5px;padding-bottom: 15px;padding-left: 16px;}body.kc-css-system .kc-css-222317 .kc_button{background-color: #064797;font-size: 16px;font-weight: 400;border-radius: 10px 10px 10px 10px;margin-top: 6px;}body.kc-css-system .kc-css-222317{text-align: center;}body.kc-css-system .kc-css-222317 .kc_button:hover{color: #ffffff;background-color: #000000;}@media only screen and (max-width: 479px){body.kc-css-system .kc-css-360725.kc_title,body.kc-css-system .kc-css-360725 .kc_title,body.kc-css-system .kc-css-360725 .kc_title a.kc_title_link{font-size: 26px;text-align: center;padding-left: 44px;}body.kc-css-system .kc-css-163127{padding-left: 54px;}body.kc-css-system .kc-css-299322 .kc_accordion_header,body.kc-css-system .kc-css-299322 .kc_accordion_header > a{font-size: 22px;}body.kc-css-system .kc-css-438377 ,body.kc-css-system .kc-css-438377 p{font-size: 15px;}body.kc-css-system .kc-css-331685 ,body.kc-css-system .kc-css-331685 p{font-size: 15px;}body.kc-css-system .kc-css-74233.kc_title,body.kc-css-system .kc-css-74233 .kc_title,body.kc-css-system .kc-css-74233 .kc_title a.kc_title_link{font-size: 30px;padding-left: 30px;}body.kc-css-system .kc-css-856973{padding-bottom: 9px;padding-left: 25px;}body.kc-css-system .kc-css-222317 .kc_button{margin-left: 36px;}} Product information Included in the box BSA MTB bottom bracket for Shimano cranks. Technical specifications Assambly specs Crankset diameter: 24mm (Shimano) Frame width: 73 mm (Compatible with MTB bikes) Frame diameter: BSA For Threaded frames This bottom bracket uses a regular BSA tool for its assambly and dissasambly. (Examples: Parketool BBT-69.3, Shimano TL-FC32 or similar: Ø44MM outside and Ø42.7mm inside. 16 pins.) Weight 97 grams Characteristics Dual Cup Technology. Two aluminium cups that perfectly align bearings on both sides, creating a solid center joint that eliminates any noise or movements issues. Find out more about our technology here. This bottom bracket uses Chronium Steel Bearings (ABEC5 /P5 - 2RS). The cups of our bottom brackets are made from 6061 Aluminium, a high-strenght aerospace-grade aluminium on which we apply a T6 treatment. That makes the material harder and more durable, ensuring that our cups mantain top performance over time. Fully sealed. Axial seals on bearings and fully sealed on all surfaces to avoid dust and water. Asymmetric. This bottom bracket is asymmetrical because it takes up the space previously occupied by the spacer, making it more robust. Lighter. The number of pins on this bottom bracket has been reduced to make it lighter. If you are unsure about the compatibility between your bike and this bottom bracket, please contact [email protected] Warranty Lifetime warranty for the cups. 3 year warranty for the bearings. Check our warranty terms and conditions here. Please, carefully follow the provided use, installation and maintenance instructions on the following link. Your browser does not support the video tag. Installation This bottom bracket is assambled like any other and it does not require any special tool. For further information, please check our written manuals. Assambly instructions
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