{"product_id":"rollcii-rc39db-boost-6-bolt-32hole-rear-hubs","title":"ROLLCii RC39DB BOOST 6-BOLT 32HOLE REAR HUBS","description":"\u003cp\u003eThe ROLLCii RC39DB hub set is built for modern mountain bike riding, balancing strength, fast engagement, and long-term reliability in a clean and straightforward design. Featuring a lightweight yet strong hub body paired with a precision-machined 7075 aluminum 17mm axle, the RC39DB is designed to handle hard trail riding, technical descents, and demanding terrain while maintaining a responsive ride feel.\u003c\/p\u003e\n\u003cp\u003eInside, large-size high-quality ENDURO sealed bearings help keep rolling smooth while improving long-term bearing durability and consistency through mud, rough terrain, and changing weather conditions. The double-phase freehub system uses an independent 2-phase 6-pawl design with a 60-tooth ratchet for quick engagement and a more direct ride feel, especially when climbing technical sections or accelerating out of corners.\u003c\/p\u003e\n\u003cp\u003eDesigned for trail, enduro, and custom MTB wheel builds, the RC39DB focuses on the things that matter most on real rides — dependable engagement, solid hub stiffness, smooth rolling speed, and durability you can trust ride after ride.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 328g\u003c\/li\u003e\n\u003cli\u003eBearing: 6903 x 3pcs, 6803 x 1pcs\u003c\/li\u003e\n\u003cli\u003eP.C.D: NDS:58, DS:60.5\u003c\/li\u003e\n\u003cli\u003eCenter to Flange: NDS:36.5, DS:22\u003c\/li\u003e\n\u003cli\u003eEngagement: 6 Pawls (Two-Phase), 60 Tooth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(21, 119, 168);\"\u003e\u003cspan style=\"font-size: 12px; color: rgb(21, 119, 168);\"\u003eFreebody: Shimano HG, Shimano Microspline, or Sram XD (let us know in your order's comments)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ROLLCii","offers":[{"title":"Tangerine fire","offer_id":47949314916404,"sku":"HB-RC39DBR32HTG","price":156.5,"currency_code":"USD","in_stock":true},{"title":"Brazil Green","offer_id":47949314949172,"sku":"HB-RC39DBR32HBG","price":156.5,"currency_code":"USD","in_stock":true},{"title":"Lavender","offer_id":47949314981940,"sku":"HB-RC39DBR32HLV","price":156.5,"currency_code":"USD","in_stock":true},{"title":"Gumwall","offer_id":47949315014708,"sku":"HB-RC39DBR32HGW","price":156.5,"currency_code":"USD","in_stock":true},{"title":"Silver","offer_id":47949315047476,"sku":"HB-RC39DBR32HSL","price":149.5,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":47949315080244,"sku":"HB-RC39DBR32HBLK","price":149.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/8949\/0484\/files\/rollcii-rc39db-6-bolt-boost-hubs-4.jpg?v=1782543367","url":"https:\/\/velocicycle.com\/products\/rollcii-rc39db-boost-6-bolt-32hole-rear-hubs","provider":"VELOCI CYCLE","version":"1.0","type":"link"}