Same durability as our standard Pro 4 rear hub designed to suit Boost 148mm Part Number: RHP428B148MS, RHP432PU148MS, RHP432B148MS, RHP428N148MS, RHP432R148MS, RHP432S148MS, RHP428R148MS, RHP432C148MS, RHP428S148MS, RHP432N148MS, RHP428C148MS, RHP428PU148MS, RHP428B148XD, RHP428PU148XD, RHP428C148SA, RHP428R148XD, RHP428PU148SA, RHP428S148SA, RHP432C148ST, RHP428C148XD, RHP428S148ZH, RHP432S148XD, RHP432R148SA, RHP432S148ST, RHP432PU148XD, RHP428N148XD, RHP428S148XD, RHP432PU148ST, RHP432R148XD, RHP432C148SA, RHP428R148SA, RHP432S148SA, RHP432PU148SA, RHP432N148ST, RHP432N148SA, RHP432R148ST, RHP432N148ZH, RHP432B148XD, RHP432N148XD, RHP432C148XD, RHP428N148SA, RHP428B148SA, RHP432B148SA, RHP432B148ST Barcode: 5056033408677, 5056033408660, 5056033407229, 5056033407700, 5056033409193, 5056033409704, 5056033408684, 5056033409711, 5056033410717, 5056033409681, 5056033409698, 5056033410199, 5056033411219, 5056033408189, 5056033409179, 5056033410724, 5056033410205, 5056033408448, 5056033407724, 5056033410212, 5056033411226, 5056033410700, 5056033408691, 5056033411233, 5056033407236, 5056033407717, 5056033407953, 5056033408455, 5056033407489, 5056033409186, 5056033408424, 5056033410731, 5056033407496, 5056033407946, 5056033408219, 5056033407731, 5056033408202, 5056033407250, 5056033407465, 5056033411240, 5056033408196, 5056033411721, 5056033407977, 5056033411738, 5056033412421, 5056033407960, 5056033411745, 5056033407472, 5056033412070, 5056033412803, 5056033412780, 5056033412438, 5056033412452, 5056033407243, 5056033412100, 5056033410229, 5056033412773, 5056033413138, 5056033408431, 5056033409209, 5056033411752, 5056033413473, 5056033413152, 5056033412087, 5056033413121, 5056033413480, 5056033413145, 5056033412445, 5056033412094, 5056033413497, 5056033413503, 5056033479196 Product Code: HOP H4RB
11 speed compatible. Sealed Stainless Steel cartridge bearings. Hub shell machined from a single forged aluminium billet. Standard 6 bolt disc fitting. 4 Pawl ratchet system with 44 tooth engagement (8.2 deg). Larger spoke flange to enable stiffer wheel builds. Unsurpassed reliability. Available in 148 x 12mm thru axle.