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Show ern BIKE a TUNING Reporter BASICS the smallest cog, allowing the chain to drop easily onto it without falling off between by Mike Murray & Buzz Greenberg ‘More than anything else, riding in Northern Utah is all about your derailleur pulleys and chainrings or your chain will simply get covered with whatever is left on them. After cleaning, lubricate’ your chain and derailleur pivot points. Be careful not to spray lube onto your rims while aiming at your chain or your brakes will suffer. Always wipe your chain | hills. Almost all of the local rides are made up of long, loose, steep climbs fol- ~ lowed by correspondingly steep, rocky, loose, downhills. Under these circumstances it is imperative that your bike work as well as possible. There are enough obstacles on the long climbs without having to worry about your bike not shifting into the after you lube it or the excess lube will collect airborne dust and get even oft needed granny gear or having your OE ON PRP GPP Brake adjustments can be tricky, but by following some simple guidelines, can be easy. Brakes with how they work and feel. There is | 20s ee tight—the pads will be touching the rim) and then loosen it a couple of turns. They should be just right. Always make sure that your pads are touching as much vertical surface as possible or your pads may slip off the rim and run into your spokes and you will crash hard. soaked with degreaser. Also clean _ on all cogs without jumping. Front shifting adjustments similar. Adjust the cable tension by _ disconnecting the cable and tightening or loosening it accordingly. Set the limit screws so the chain does not Shifting on a mountain bike is tested when climbing more than at any other time. With the increased pressure on the drivetrain shifting problems become obvious when you need them the least. Probably the fall off on the inside or outside. OTHER HELPFUL TIPS _ The above instructions will help you keep your bike working well, but obviously there are other parts of which to be aware. Air pressure is one most common problem with shifting thing which is very simple yet important. For front tires you should use slightly lower pressure than in the rear. 35 to 45 p.s.i. is a good range for front and 40 to 55 p.s.i. is usually good for rear use. Replace all cables and housings at lease once a year. Make sure to tighten your stem, headset, bars, bar ends, skewers and any other parts you can. All these services and more available at Superior Bike Tune owned by the authors. If you don’t want to get is that the chain ‘skips from cog to cog on the cassette or freewheel. This is toward the front of the bike and gradually flex until the whole pad touches the rim. This is called “toeing” the will pads and keeps then from squealing as well as making them last longer. An easy way to get them right is to adjust the pads the way you want cogs, assuming your limit screws are set properly. To set these screws, located next to each other on the derailleur housing, shift the derailleur to the largest cog and set the screw so all icky,.go see ‘em (see advertise- . that the chain is able to move to the -. ment in this paper). Phone 942.1526. largest cog easily but not to fall off into the spokes. Do the opposite on Le st \ them with the barrel screw at the move the chain onto smaller. et BI CYCLE CROA ECL or while supplies last Don’t Delay! S _ . NE Limited quantities and sizes | Valid this location only OFF ALL REGULAR GLOSEOUTS #7335 MENS & WOMEN’S ALPHA ’ MOUNTAIN BIKES ® ROAD BIKES ° BMX * SKATEBOARDS ® EYEWEAR ® ETC. WE FEATURE COLNAGO BICYCLES STOCK UP To 58% GEF #7692 MENS CLARION IMPACT LOW WAS $67. © ae 4d 9 als * MOUNTAIN AND ROAD BIKE RENTALS ° #7696 WOMEN’S & VERY LIMITED MEN'S 11d ans 76) ayaa ee a1 cenca| FREE AGENT * COLNAGO © POWERLITE LEATHER CLARION #7682 MENS CLARION IMPACT Sek WAS $102 WAS $136 © 4644 S$. HOLLADAY BLVD HOLLADAY UT 84117 801-277-2626 Red Wi ay SP ae WHERE THE PRIMAL INSTINCT FOR PERPETUAL MOTION BRING IN THIS are usually because the cable tension of the rear derailleur being out of adjustment. The barrel adjuster on the rear derailleur is the easiest way to fit this. By tightening the cable the derailleur rough surfaces or dents on the rim. rims. Take special care to clean your chain by spinning your drivetrain ‘ while holding the chain with a rag 0 no magic way. Brake pads should be set close. enough to the rim so that they work quickly when you need them, but not so close that they rub on Pads should be set so they touch first derailleurs, shifters, chain, brakes and ae gg ey PO should be adjusted so that you are comfortable CLEAN AND LUBE YOUR BIKE to largest cogs the cable is probably too tight. Loosen with the barrel adjuster until it stops skipping. When the chain jumps from larger to smaller cogs the cable is probably too loose. Tighten it and experiment with the cable tension until the chain stays ADJUSTING YOUR SHIFTING ADJUSTING YOUR ~-BRAKES brakes so mushy that your hands hurt at the bottom of long decents. _ Avoiding some of these problems can be easy, though. By following these steps some common mechanical problems can be avoided. _ A simple way to keep your bike _ working is to clean it thoroughly after dirty rides. By doing a little bit of cleaning after every ride it will be easier than doing it once it is caked with dried mud. Take a rag and some degreaser and wipe off your frame, lever. Tightened a couple of turns (this will make the pads appear too dirtier. the cog and the frame. When the chain jumps from smaller WCR AD FOR A FREE WATER Offer good until 30 June 1996 Sat By BOTTLE ASUS! 7 (801) 466-6071 visa Page 12 Shoe Store - wc - a |
