BIKONE DCTech EVO dub bottom bracket is designed to power every kilometer you ride. It is engineered for cyclist who demand the best in performance and durability, wheter you are teckling tough mountain trails or cruising on roads. Thanks to our Dual Cup Technology (DC Tech) and our top quality steel bearings, you will experience the smoothest of rides. See the assembly instructions and spacer list here For a correct compatibility, mountain cranks should be always mount on mountain frames and road cranks on road frames. @media only screen and (min-width: 1000px) and (max-width: 5000px){html body .kc-css-307144{width: 39.83%;}html body .kc-css-40830{width: 60.14%;}html body .kc-css-121{width: 100%;}html body .kc-css-806221{width: 51.84%;}html body .kc-css-501243{width: 48.15%;}}html body .kc-css-307144{padding-top: 0px;padding-right: 36px;}html body .kc-css-307144{border-radius: 10px 10px 10px 10px;}html body .kc-css-158728.kc_title,html body .kc-css-158728 .kc_title,html body .kc-css-158728 .kc_title a.kc_title_link{font-size: 36px;padding-left: -14px;}html body .kc-css-158728{margin-top: 2px;}html body .kc-css-40830{background: #ffffff;border-radius: 10px 10px 10px 10px;}html body .kc-css-40830{padding-left: 62px;}html body .kc-css-303527 .kc_accordion_header,html body .kc-css-303527 .kc_accordion_header > a{font-size: 22px;}html body .kc-css-303527 .kc_accordion_header a{color: #000000;font-weight: 500;}html body .kc-css-303527 .kc_accordion_header{background-color: #f2f2f2;border: 1px hidden #064797;}html body .kc-css-303527 .kc_accordion_header:hover a{color: #064797;}html body .kc-css-303527 .kc_accordion_header:hover a i{color: #064797;}html body .kc-css-303527 .kc_accordion_header:hover .ui-icon{color: #064797;}html body .kc-css-303527 .kc-panel-body{padding-left: 35px;}html body .kc-css-236699 ,html body .kc-css-236699 p{color: #000000;font-size: 16px;}html body .kc-css-201620 ,html body .kc-css-201620 p{color: #000000;font-size: 16px;line-height: 38px;}html body .kc-css-844726 ,html body .kc-css-844726 p{color: #000000;font-size: 16px;line-height: 26px;}html body .kc-css-923943{background: #f2f2f2;padding-top: 58px;padding-bottom: 58px;border-radius: 10px 10px 10px 10px;}html body .kc-css-58929{padding-left: 30px;border-radius: 10px 10px 10px 10px;}html body .kc-css-38482.kc_title,html body .kc-css-38482 .kc_title,html body .kc-css-38482 .kc_title a.kc_title_link{font-size: 37px;text-align: center;margin-top: 71px;}html body .kc-css-512621 ,html body .kc-css-512621 p{color: #000000;font-size: 16px;}html body .kc-css-512621{padding-bottom: 15px;}html body .kc-css-91486 .kc_button{background-color: #064797;font-size: 16px;font-weight: 400;border-radius: 10px 10px 10px 10px;margin-top: 6px;}html body .kc-css-91486{text-align: center;}html body .kc-css-91486 .kc_button:hover{color: #ffffff;background-color: #000000;}@media only screen and (max-width: 479px){html body .kc-css-158728.kc_title,html body .kc-css-158728 .kc_title,html body .kc-css-158728 .kc_title a.kc_title_link{font-size: 26px;text-align: center;padding-left: 44px;}html body .kc-css-40830{padding-left: 54px;}html body .kc-css-303527 .kc_accordion_header,html body .kc-css-303527 .kc_accordion_header > a{font-size: 22px;}html body .kc-css-236699 ,html body .kc-css-236699 p{font-size: 15px;}html body .kc-css-201620 ,html body .kc-css-201620 p{font-size: 15px;}html body .kc-css-38482.kc_title,html body .kc-css-38482 .kc_title,html body .kc-css-38482 .kc_title a.kc_title_link{font-size: 30px;padding-left: 30px;}html body .kc-css-512621{padding-bottom: 9px;padding-left: 25px;}html body .kc-css-91486 .kc_button{margin-left: 36px;}} Product information Included in the box BIKONE EVO dub bottom bracket. Spacers Two 2 mm spacers One 1 mm spacer For dub wide cranks, it is neccesary to purchase a Dub Wide Adaptor Kit Technical specifications Assembly specs: Crankset diameter: 29 mm (Sram dub) Frame widht from 86.5mm to 92mm. Compatible with both mountain (EVO 392) and road bikes (EVO 386). Frame diameter: 46 mm For Pressfit frames Weight 114 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, an aerospace-grade aluminium with high corrosion resistance 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 completely sealed on all surfaces. 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 doesn't require any special tool. For further information, please check our written manuals. Assambly instructions