29" (27.5"), light AL-6061 frame set Suntour XCE28 DS, 100 mm Shimano, 3x8 Shimano BR-MT200, hydraulic disc brake Alex X20 rims, Shimano hubs Kenda Booster 29x2.40" (27.5x2.40") Reliable mountain bike hardtail for all terrains. Revox frame with modern geometry, wide range of sizes, generous tire clearance, and optimal compatibility for adding mudguards and stands.