Frame is Large (29). Specifications: Marin Pine Mountain 2 – 2021 Edition FRAME: Series 3 Double Butted and Heat Treated CrMo, 29″ Wheels, Custom Cast Boost 148x12mm Dropouts, 148x12mm Thru-Axle, 73mm Threaded BB, Plentiful Gear Mounts FRONT SUSPENSION: RockShox 35 Gold RL, 120mm Travel, DebonAir, Alloy Tapered Steerer, 110x15mm Boost Spacing, Maxle Lite, 44mm Offset RIMS: Alloy Double-Wall, Offset Spoke, 32mm ID, Tubeless Compatible HUB, REAR: Shimano, Microspline 148x12mm, Centerlock Disc, 32H HUB, FRONT: Forged Alloy, 110x15mm, Sealed Cartridge Bearings, Centerlock Disc, 32H SPOKE, NIPPLES: 14g Black Stainless Steel TIRES: Vee Tire Flow Snap, 29×2.6″, Folding Bead, Tubeless Ready DERAILLEUR, REAR: Shimano SLX 12-Speed DERAILLEUR, FRONT SHIFT LEVER: Shimano SLX 12-Speed CRANKSET: FSA Grid, Modular 1x, 32T Direct Mount MegaTooth Chainring BOTTOM BRACKET: FSA Outboard Cartridge Bearings CHAIN: KMC X12 CASSETTE: Shimano SLX M7100 Cassette, 12-Speed, 10-51T BRAKE, FRONT: Shimano MT520, 4-Piston, Hydraulic Disc, 180mm Rotor BRAKE, REAR: Shimano MT500, 2-Piston, Hydraulic Disc, 160mm Rotor BRAKE LEVERS: Shimano MT500 Hydraulic HANDLEBAR: Marin Bedroll Bar, 50mm Rise, 780 Width, 10? Backsweep, 6? Upsweep STEM: Marin 3D Forged Alloy, 35mm HEADSET: FSA Orbit ITA, Sealed Cartridge Bearings, 1 1/8″ x 1 1/2″ SEATPOST: TranzX Dropper Post, YSP23 w/ 1x Remote, Size S 150mm Travel, All Other Sizes: 170mm Travel, 30.9mm SADDLE: Prologo Kappa RS Pro Saddle – New & Packaged PEDALS: SPD Pedals (I can provide a flat pair if you prefer) EXTRAS: Bolt-On Thru-Axle.