{"product_id":"shimano-xtr-sm-bb91-42a-hollowtech-ii-pressfit-42-x-84-5mm-mtb-bottom-bracket-bb","title":"Shimano XTR SM-BB91-42A Hollowtech II Pressfit 42 X 84.5mm MTB Bottom Bracket BB ","description":"\u003cp\u003eShimano SM-BB91-42A bottom bracket - pressfit for Specialized OSBB\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMade in Japan \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Shimano SM-BB91-42A is a pressfit bottom bracket that allows a Shimano Hollowtech II crank to be fitted into a Specialized MTB frame with an OSBB aluminium bottom bracket. These have a special shell width of 84.5 mm with 42 mm shell diameter. Thanks to its 24 mm bearing and axle diameter, the inner bearing convinces in terms of stability, weight and efficiency.\u003c\/p\u003e\n\u003cp\u003eShimano BB91-42A Press Fit Bottom Bracket, XTR quality, compatible with all MTB hollowtech 2 chainsets.\u003c\/p\u003e\n\u003cp\u003eComplete your XTR level press-fit bottom bracket assembly for Shimano HollowTech II MTB cranks\u003c\/p\u003e\n\u003cp\u003eCups are made from fibre reinforced polymer material which reduces the risk of frame noise and damage\u003c\/p\u003e\n\u003cp\u003eSet includes left and right hand cups, 2.5 mm spacer\u003c\/p\u003e\n\u003cp\u003eSealed cups keep out dirt and water\u003c\/p\u003e\n\u003cp\u003eMaintenance free\u003c\/p\u003e\n\u003cp\u003eCompatible with 89.5 mm (with 2.5 mm spacer) and 92 mm shells with 2 spacers (not included) \u003c\/p\u003e\n\u003cp\u003e42 mm cup diameter\u003c\/p\u003e\n\u003cp\u003eEasy press-fit installation\u003c\/p\u003e\n\u003cp\u003ePlease note - not supplied with inner sleeve\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDcbikes Product Specifications :\u003c\/p\u003e\n\u003cp\u003eApplication: Cross Country\u003c\/p\u003e\n\u003cp\u003eType: OSBB\u003c\/p\u003e\n\u003cp\u003eShell Diameter: 42 mm\u003c\/p\u003e\n\u003cp\u003eShell Width: 84.5 mm\u003c\/p\u003e\n\u003cp\u003eAxle Diameter: 24 mm (Hollowtech II)\u003c\/p\u003e\n\u003cp\u003eTechnical Information:\u003c\/p\u003e\n\u003cp\u003eBearings: steel\u003c\/p\u003e\n\u003cp\u003e- for Specialized MTB OSBB Pressfit aluminium frames etc\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTechnology:\u003c\/p\u003e\n\u003cp\u003eHollowtech II\u003c\/p\u003e\n\u003cp\u003eThe externally mounted bottom bracket offers better weight distribution and stability for more efficient power transmission. The diameter of the bottom bracket axle and the bearing (24 mm) was an important factor in the development, as the bottom bracket axle has a significant impact on stiffness, stability, weight and rotational efficiency.\u003c\/p\u003e\n\u003cp\u003eManufacturer Part Number:\u003c\/p\u003e\n\u003cp\u003eI-SMBB9142A\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePackage Includes :\u003c\/p\u003e\n\u003cp\u003e- 1 x Shimano SM-BB91-42A right bearing cup, incl. bearings\u003c\/p\u003e\n\u003cp\u003e- 1 x Shimano SM-BB91-42A left bearing cup, incl. bearings\u003c\/p\u003e\n\u003cp\u003e- 1 x 2.5 mm spacers\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBuy Shimano Components \u0026amp; Accessories From Dcbikes® Online Bike Store www.dcbikes.mom | Singapore Favourite Choice For Mountain Bike, Bicycle Parts Components \u0026amp; Accessories Shop\u003c\/p\u003e","brand":"Shimano","offers":[{"title":"Default Title","offer_id":31337468657706,"sku":"M35","price":69.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2577\/0188\/products\/PhotoGrid-1582718142518.jpg?v=1740522543","url":"https:\/\/dcbikes.mom\/products\/shimano-xtr-sm-bb91-42a-hollowtech-ii-pressfit-42-x-84-5mm-mtb-bottom-bracket-bb","provider":"Dcbikes ","version":"1.0","type":"link"}