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How to lighten a bike?

PB Forum :: Freeride & Slopestyle
How to lighten a bike?
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flag nathan-babichuk
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Posted: Jan 5, 2008 at 21:23 Quote
How do I lighten a SX trail 2 I am looking at buying one it weighs 39lb and I want it down to 33lb-34lb what are some ways to lighten it ( It will be my one bike for freeride,jumping, but I also climb alot) my upgrade budget is $1500-$1750 any input would be great.
flag
Posted: Jan 5, 2008 at 21:24 Quote
If you posted a picture or spec list that would help alot.
flag CHIPPER4X
Posted: Jan 5, 2008 at 21:27 Quote
ti spring or air shock, lighter wheelset, lighter fork, lighter chainguide, lighter tires. i have a few buddies and one has it down to 31 and the other guys ways 32
flag nathan-babichuk
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Posted: Jan 5, 2008 at 21:31 Quote
FRAME A1 Premium Aluminum frame, ORE TT/DT, forged HT, sealed cartridge bearing pivots, ISCG mount, adjust geometry, replaceable derailleur hanger, derailleur guard, 170mm travel

REAR SHOCK Fox DHX 5.0 coil 9.0x2.75", adjustable rebound, ProPedal, and bottom out control

FORK Fox 36 Van R, 160mm, adj reb, 20mm thru axle, alloy steerer tube

HEADSET 1 1/8" Threadless, 7050 alloy cups with oversize lower cup and bearing

STEM Truvativ Holzfeller, CNC, 40mm, 31.8 clamp

HANDLEBARS Specialized Enduro mid rise, 6066 alloy 31.8, OS bar, 6 degree up, 9 degree backsweep, 660mm width

TAPE / GRIPS Specialized MTB, dual density

FRONT BRAKE Avid Juicy 5, hydraulic disc, G2 Clean Sweep 200mm rotor

REAR BRAKE Avid Juicy 5, hydraulic disc, G2 Clean Sweep 200mm rotor

BRAKE LEVERS Avid Juicy 5

FRONT DERAILLEUR Shimano FD-M580, LX, top swing, dual pull

REAR DERAILLEUR SRAM X-9, 9-speed, mid cage

SHIFT LEVERS SRAM X-7, aluminum trigger 9-speed

CASSETTE / FREEWHEEL Shimano HG50, 9-speed, 11/34t

CHAIN SRAM PC-951 w /Power Link

CRANKSET Truvativ Holzfeller w/Black Spire Stinger shift guide

CHAINRINGS 24A/36A/SBC, alloy shift guard

BOTTOM BRACKET Truvativ Howitzer Team, outboard bearing, 51mm chainline, 73mm shell

PEDALS Alloy platform, 3mm pressed pins, 9/16" Cr-Mo axle

RIMS DT Swiss/Specialized E450, 28mm w/eyelets, 36h

FRONT HUB Specialized Stout disc, sealed cartridge bearing, 20mm thru-axle, high/low flange, 36h

REAR HUB Specialized bolt-on 135mm, solid 7075 alloy axle w/ RD guard

SPOKES DT Swiss 2.0mm stainless, brass nipples

FRONT TIRE Specialized Chunder 26x2.3", 60TPI, steel bead, 2 ply, soft compound

REAR TIRE Specialized Chunder 26x2.3," 60TPI, steel bead, 2 ply, soft compound

TUBES Specialized 26x2.3", presta

SADDLE Specialized Enduro, hollow Cro-Mo rails, SL foam

SEAT POST 2014 butted alloy, black, 30.9 x 350/400mm
flag
Posted: Jan 5, 2008 at 21:33 Quote
Oh its a stock one. You could do as said above air shock ot Ti Coil or aishock.. I would take off the front gears, and you could run light xc tubes or go tubeless and get light tires
flag nathan-babichuk
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Posted: Jan 5, 2008 at 21:35 Quote
Okay what about rims and what kind of tires
flag Hummeroid
Posted: Jan 5, 2008 at 21:38 Quote
823 rims, high roller usts for tires.

light AND strong
flag nathan-babichuk
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Posted: Jan 6, 2008 at 8:47 Quote
okay thanks how much will it lighten it up though and how much are 823 rims.
flag huckoveraduck
Posted: Jan 6, 2008 at 8:56 Quote
you could drill out the frame in places like the headtube and chainstay welding points.
flag siders
Posted: Jan 6, 2008 at 8:57 Quote
why do you need it lighter just slap a chainguide ont front single ring and ride it properly if you wonted a lighter bike get an old enduro dont just try and make you bike light it will make it ride like shit its need a bit of bulk and one tip you will need a new headset if you ride hard mine got chewed up in about 24 hours of serious riding i recomend a chris king
flag nathan-babichuk
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Posted: Jan 6, 2008 at 15:34 Quote
I dont want to drill out the frame and make it weaker I just want to lighten a few things to make it easier to pedal
flag happysumo
Posted: Jan 6, 2008 at 15:40 Quote
He was being sarcastic (I take it). Cut seatpost, e-13 LG1, make sure you go for a light wheelset (rotational mass)
flag nathan-babichuk
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Posted: Jan 6, 2008 at 16:28 Quote
how much are 823 rims?
flag Hummeroid
Posted: Jan 6, 2008 at 16:32 Quote
49$ from universal for the old stickers on them, 99 for the new sticker 823s
flag nathan-babichuk
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Posted: Jan 6, 2008 at 18:50 Quote
okay thanks thats not very much $ anyone know how much deemaxes weigh?
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