DescriptionCategory : Bearing HubHub Hole Number : 28 HolesPosition : Front + RearMaterial : Aluminum AlloyFreehub : HGNumber of Holes : 28 HolesAxle : BOOSTBraking System : Disc BrakeSpoke Hole : 20 - 28M350 Straightpull Ratchet Disc 6-Hole Hub 28HFreehub type:HG: Suitable for Shimano 8-11s, SRAM 8-11s 12s(SX EAGLE)XD: Suitable for SRAM GX / xo1 / xx1 11-12sMS: Suitable for Shimano Micro Spline 12sHub technologyThe Ratchet System driver mechanism is extremely durable, reliable and can be serviced without special tools in minutes, thanks to its simple press fit assembly. The press fit assembly also allows all hubs to work in almost any currently existing axle configuration, making them compatible with almost every bike. The contact free seals and high precision build guarantee smooth bearings; every bit of the rider's energy is transformed into forward momentum. These features and the super lightweight design of all the hub parts highlights the racing legacy of this classic hub.Product SpecificationsFront hubbearing : double over stainless ball bearingsMaterial: aluminumAxle type:100x9 mm Quick Release100x15 mm Thru Axle110X15 mm Plus Axis (Boost)Number of holes: 28Brake mount: 6-holeLacing pattern: only crossedSpoke tension: 1200NColor: black with white decalsRear hubintended use : Cross Country, Marathon, All Mountain, EnduroMaterial: aluminum, steelInstallation width: 135/142/148 mmAxle type:135x10 mm Quick Release142x12 mm Thru Axle148x12 mm plug axis (Boost / outboard)Number of holes: 28 holesBrake disc mount: 6-hole (IS2000)Freewheel compatibility: HG/MS/XDFreewheel type: 2 tooth lock washers, 36 gridsbearing : 4x industrial bearingSeal: labyrinth rubber sealsSpoke type: Straightpull spokesSpoke tension: 1200Nmaximum rider weight: no weight limitColor: blackAll specifications and weights can be seen in the purchase option!!