Hola amigos, es la primera vez que me animo a escribir en este fantastico foro, y pues espero me ayuden. Recien compre una Specialized Stumpjumper FSR Comp 2009, y queria bajarle peso, pensaba subirle la transmision 1 nivel, de x9 a x0, de x7 a x9, de slx a xt, pero me recomendaron que no lograria bajarle mucho pero y si seria un gran gasto. Mi segunda opcion fue cambiarle la multiplicacion por una XT y me recomendaron cambiarle la maza trasera por una DT 340s, claro en mi presupuesto no entran ni la 240s ni la xtr. Mis preguntas son Estoy bien en cambiarle esas piezas?? o cual deberia cambiar mejor o por cual??? o que otras piezas le pueda ganar algo significativo de peso??? mil gracias por su ayuda, aqui estan las especificaciones de la Stumpy FRAMEStumpjumper FSR M5 Manipulated Alloy frame w/ ORE TT/DT, sealed cartridge bearing pivots, DMD Direct Mount F. Der, replaceable derailleur hanger, disc only, 120mm travel REAR SHOCKFox Triad, custom on-the-fly 3-position switch 1) lock out 2) Open 3) ProPedal pedal assisting damping, rebound adj., 7.25x1.75" FORKFox Float 120 RL, 120mm travel, compression and rebound adj. w/ LO, alloy steerer HEADSET1-1/8" Threadless, 10mm insertion alloy cups, sealed cartridge bearing STEMSpecialized adjustable rise, 31.8mm clamp, 3D forged w/ CNC finish HANDLEBARSSpecialized XC low rise 31.8mm bar, 6066 butted alloy, 6 degree up, 8 degree backsweep, 640mm wide GRIPSSpecialized thin lock on grip (S/M) Specialized Thick lock on grip (L/XL) FRONT BRAKECustom Avid Elixir R SL, alloy backed organic pads, S/M: 185mm, L/XL: 203mm rotor REAR BRAKECustom Avid Elixir R SL, alloy backed organic pads, S/M: 160mm, L/XL: 185mm rotor BRAKE LEVERSCustom Avid Elixir R SL Hydraulic, tool-less adj. reach FRONT DERAILLEURShimano M660 SLX, DMD, top swing, dual pull REAR DERAILLEURSRAM X-9, 9-speed, mid cage SHIFT LEVERSSRAM X-7, aluminum trigger, 9-speed CASSETTEShimano HG61, 9-speed, 11-34t CHAINSRAM PC-971, 9-speed w/Power Link CRANKSETCustom Shimano FC-M542, S: 170mm, others: 175mm CHAINRINGSBOTTOM BRACKETCustom Shimano FC-M542 PEDALSNone RIMSCustom DT Swiss X420SL, 24mm w/ eyelets, 28/32h FRONT HUBSpecialized Hi Lo disc, CNC flange, sealed cartridge bearing, 9mm DT RWS, alloy QR, 28h REAR HUBCustom Shimano M525 SL, alloy QR, 32h SPOKESDT Swiss 1.8mm stainless, black, alloy nipples FRONT TIRES-Works The Captain, 26x2.2", 120 TPI, Aramid bead, dual compound, tubeless ready REAR TIRES-Works The Captain, 26x2.0", 120 TPI, Aramid bead, dual compound, tubeless ready SADDLESpecialized Format, hollow Cr-Mo rails, SL foam, S/M: 130mm L/XL:143mm SEATPOST2014 butted alloy, single bolt setback, 30.9x350/400mm SEAT BINDER7050 hard annodized alloy collar w/ QR, 34.9mm clamp ID, black
