Sep
3
Bicycle gurus: If I want bigger gears on my 21 speed mountain bike what do I need to do? Money *IS* an object?
I want to buy parts on eBay and do it myself. I have an old Kokomo Cignal mountain bike 21 speed with a really small high gear. I wonder if I can get road bike gears or bigger mountain bike gears. Could I get everything on eBay for $50?
You might be able to; or you might get bogged down in endless technical problems.
think about this:
- your front derailer, if you have the kind that clamps on, will need to be raised and adjusted, or possibly replaced. If you have the kind that bolts to a braze-on, you might be outta luck.
- you’ll probably need a new matching Bottom Bracket, depending on what’s in there now and whether you can find a compatible road crankset.
One option – replace the big chainring with a bigger one – find out what your “bolt circle diameter” or BCD is, and see if aftermarket big rings are available. Keep in mind, if there’s too much of a difference between middle and large, it won’t work well or maybe at all.
Speed Mountain Biking
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SRAM X-RAY BONTRAGER GRIPS MOUNTAIN BIKE 8 SPEED SHIFTERS $35.00 |
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SHIMANO XT MOUNTAIN BIKE 8 SPEED SHIFTERS $35.00 |
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Black 26” Inch Rear Mountain Bike Shimano 7/8/9 Speed Cassette Wheel MTB Comfort $42.90 |
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NICE SHIMANO XTR M-910 MOUNTAIN BIKE 8 SPEED SHIFTERS $100.00 |
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Microshift 9 Speed Mountain Bike Shifter with cable $7.99 |
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FUJI MOUNTAIN BIKE SIZE 17 FRAME , 24 SPEED PREOWNED $150.00 |
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Limited Edition, Brand New Dr. Pepper 26″ Mountain Bike 21 speed $425.00 |
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New SRAM Mountain PG-1070 10 speed cassette (11-36) $0.01 |
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NEW Truvativ Cring 36t 104mm Mountain Bike Middle Chainring 9 Speed $19.99 |
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Shimano Deore 9 Speed Mountain Bicycle Front Derailleur – FD-M591 $22.00 |
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NEW 26″ Folding Shimano Mountain Bike Bicycle Foldable 6 Speed Gold Black $162.95 |
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Sram 3.0 Comp Twister Mountain Bike 7 Speed Shifter Set 00.0000.200.654 $4.99 |
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Close To New Mountain Bike 29er WTB Speed Disc Wheelset Wheel Set $129.00 |
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NEW 26″ Folding Shimano Mountain Bike Bicycle Foldable 6 Speed Gold Black $162.95 |
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19″ MOTOBECANE OUTCAST SINGLE SPEED MOUNTAIN BIKE ALUMINUM FRAME CROMOLY FORK $0.01 |
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Surly Single Speed Mountain Bike Hub $9.99 |
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SRAM PG980 PG 980 9 Speed MTB Mountain Bike PowerGlide Cassette 11-32t $74.99 |
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NEW 26″ Folding Shimano Mountain Bike Bicycle Foldable 6 Speed Gold Black $162.95 |
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Sram PG 1050 Bicycle MTB Mountain Bike Cassette 10 speed 12-36 t $48.00 |
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Bianchi Megaset Campione Del Mondo 24-speed Mountain Bike Bicycle $599.00 |
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New 26″ Folding Mountain Bicycle Foldable Bike 6 Speed Shimano Silver Color $172.95 |
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Brandnew 16 Inches Six Speed High Carbon Steel Folding Bicycle Mountain Bike $0.99 |
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NEW 26″ FOLDING MOUNTAIN BIKE FOLDABLE BICYCLE 6 SP SPEED SHIMANO – WHITE COLOR $172.95 |
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NEW 26″ Folding Shimano Mountain Bike Bicycle Foldable 6 Speed Gold Black $142.95 |
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Shimano XTR Ringle Mountain Bike Wheel Set // 26″ V Brake Mavic QR 9 Speed MTB $11.50 |
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SHIMANO SLX 11-36T CS-HG81-10 Speed Bike Cassette Mountain Mtb Hyper Glide NEW $39.97 |
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2011 SHIMANO XTR CS-M980 10 Speed 11-34 Mtb Cassette Titanium Mountain Bike NEW $169.97 |
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NEW 26″ Folding Shimano Mountain Bike Bicycle Foldable 6 Speed Gold Black $129.95 |
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New 16 Inches Six Speed Frame High Carbon Steel Folding Bicycle Mountain Bike $0.99 |
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SRAM Powerglide Cassette // 9spd Speed Mountain Bike Down Hill $0.99 |
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Sram X9 Shifter Set // 9spd Speed Mountain Bike MTB Left Right Pair XC X-9 $49.99 |
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Shimano Deore Sun Rims Mountain Bike Wheel Set // 26″ Disc 9 Speed 20mm AM FR DH $9.99 |
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SRAM X-9 Shifter Set // 9spd Speed Mountain Bike Down Hill $0.99 |
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SURLY NEW MODEL REAR HUB SINGLE SPEED MOUNTAIN BIKE FREEWHEEL QUICK RELEASE $1.25 |
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SRAM X-9 Rear Derailleur // 9spd Speed Mountain Bike Long Cage Down Hill $0.99 |
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SRAM X Gen Front Mountain Derailleur // 9spd Speed Mtn DH Bike Clamp On $0.99 |
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Santa Cruz Blur Full Suspension 27 Speed Mountain Bike 20″ NICE! $1,350.00 |
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SRAM X9 MTB REAR DERAILLEUR 9 SPEED MOUNTAIN BIKE 29ER HYBRID X.9 LONG CAGE NIB $73.85 |
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NIB RaceFace 46T Chainring 5 bolt 110BCD – Shimano XTR XT qlty MTB ATB FR AM $29.99 |
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Shimano XT Mountain Bike Chainring M770 24t 4 Bolt 64BCD 9/10 speed 60g $26.95 |
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Avid Speed Dial 7 Mountain Bike Brake Lever SD-7 $19.00 |
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Sun Mountain SPEED E-CART $9.99 |
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CS-HG50 Shimano 9 Speed Mountain Bike Cassette 11-32 Nice!! $39.95 |
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New Sun Mountain Golf Speed Cart V2 & Speed E Cart Seat $29.95 |
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New Sun Mountain Golf Speed Cart V1 Orange Push Pull Cart $199.00 |
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Phil Wood Rear Single Speed Mountain Bike Hub 36h $100.00 |
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New! Shimano SLX CS-HG81-10 11-36 Tooth 10 Speed mountain bike Cassette $29.99 |
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New Sun Mountain Golf Speed Cart Retro Umbrella Holder Kit 651321009410 $11.99 |
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2010 SRAM X7 3 X 10 SPEED MOUNTAIN BIKE TRIGGER SHIFTERS $35.00 |
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SRAM RED Rear Derailleur 2011 Model 10 Speed Bicycle Bike Road Mountain Mtn. $160.00 |
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9 SPEED MOUNTAIN BIKE CASSETTE $7.76 |
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Exertainment Mountain Bike Rally Speed Racer Fitness Add-On Super Nintendo Snes $449.99 |
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WTB Speed V Sport SE Mountain bike Bicycle Saddle Seatpost $15.00 |
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21 Speed MGX DXR Dual Suspension Mountain Bicycle Fr Suspension + Child Seat $155.00 |
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Shimano HG40 Hyper Glide 6 7 8 Speed 116 Links 7.4mm Mountain Chain Bike Bicycle $19.00 |
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Shimano Tourney 6 Speed Mountain Bike ScrewOn Freewheel $10.96 |
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GMC Topkick Bike Dual-Suspension Mountain Bicycle 21-Speed Mountain Cycle NEW $359.99 |
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Brandnew 16 Inches Six Speed High Carbon Steel Folding Bicycle Mountain Bike $409.86 |
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New 16 Inches Six Speed Frame High Carbon Steel Folding Bicycle Mountain Bike $409.86 |
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SL-SS95 Shimano XTR 8 Speed Mountain Bike Bar End Shift $0.99 |
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GT U.S.A 32 HUB NOS SILVER MOUNTAIN BIKE 8-9 SPEED BICYCLE SHIMANO VINTAGE $130.00 |
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SHIMANO XTR FC-M950 TITANIUM MOUNTAIN BIKE 8 SPEED CASSETTE VERY LOW MILES $40.00 |
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SRAM 3.0 Comp Mountain Bike Twist Shifter Set (7-Speed)a $12.00 |
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NICE CANNONDALE M400 21-SPEED ALUMINUM MOUNTAIN BICYCLE L@@K $450.00 |
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Spot Rocker Single Speed 29″ Mountain Bike // 15″ Belt Drive Avid Easton $1,699.99 |
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NEW Shimano Deore XT M750 Front Derailleur // 31.8mm 9spd Speed Mountain Bike $14.99 |
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LOT 2 Shimano XTR Chainrings // 10spd Speed 38-26T 2×10 Mountain Bike MTB Double $2.25 |
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NEW WTB Speed Disc 26″ Wheelset Cyclocross XC Mountain Bike $139.99 |
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NEW Shimano XT M770 GS Rear Derailleur // 9spd Speed Mountain Bike $59.99 |
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Team Spike Vermarc LS Skinsuit // SML Small Road Mountain Bike Speed Race Suit $9.99 |
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Team Kona Verge Skin Suit // MED Road Cyclocross Mountain Bike MTB Speed Race XC $1.25 |
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Shimano XTR M980 Rear Derailleur // 10spd Speed Shadow Carbon Cage Mountain Bike $14.49 |
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NEW Sram XX BB30 PF Mountain Bike 10 spd Crankset // 175mm 2×10 Speed MTB $167.50 |
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MOUNTAIN CYCLE Lock-On Speed Foam Race Mountain Bike Black/Red Pair Grips NEW $6.97 |
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Shimano Deore XT mountain bike cassette 11-36T used CS-M771 10 speed $20.50 |
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Shimano Cs-m750 Mountain Bike 9 Speed Cassette 34/12t $0.99 |
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Next Ultra Shock Mountain Bike 21 speed mens $100.00 |
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SRAM Pg 970 Mountain Bike Cassette 34/11t 9 Speed 9spd $0.99 |
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Veritcal Shock Edge Mountain Bike 21 speed mens $100.00 |
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SRAM X.7 9 speed Short Cage Rear Derailleur Gray Mountain Bike Hybrid Bike $74.00 |
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NEW Sram X9 Shifter Set 3 x 10spd Speed Mountain Bike Shifters pair $0.99 |
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SRAM X.7 9 speed Medium Cage Rear Derailleur Gray Mountain Bike Hybrid Bike $74.00 |
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SRAM X.7 9 speed Long Cage Rear Derailleur Gray Mountain Bike Hybrid Bike $74.00 |
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Origin 8 Paladin Carbon Fiber 29er Single Speed 2012 Custom Mountain Bike $1,800.00 |
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Sram SL X7 Gear Shifter 10 Speed Rear 2011 Storm Grey Mountain Bike $54.87 |
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2010 SRAM X7 10 SPEED MOUNTAIN BIKE TRIGGER SHIFTER $19.00 |
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MTX 225 GIANT 7 SPEED MOUNTAIN BIKE! $19.99 |
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2010 SRAM X9 2 SPEED MOUNTAIN BIKE TRIGGER SHIFTER $29.00 |
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Shimano down tube STI 10, 21 speed 24 or 27 speed road mountain barrel adjusters $15.00 |
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SINGLESPEED DECAL – Mountain Bike Bumper Sticker – Single Speed – SS MTB 1 GEAR! $2.50 |
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TREK 4300 4 SERIES 24 SPEED MOUNTAIN BIKE $207.50 |
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Sun Mountain Speed Cart Golf Cart $89.95 |
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Salsa Juan Solo Single Speed Mountain Bike Scandium Frame XL $750.00 |
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Shimano XTR CS-M950 9 Speed Mountain Bike Cassette With *Missing Cog* $19.99 |
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19.5 inch Bianchi D.I.S.S. Easton Aluminum Single Speed Mountain Frame Disc Brak $150.00 |
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Shimano XTR 9 Speed Shifters and Answer Carbon Mountain Bike Bars $22.50 |
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SHIMANO DIORE LX FD-M580A MOUNTAIN BIKE 9 SPEED FRONT DERAILLEUR USED $24.99 |
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New Sun Mountain Golf Speed Cart V1 Silver Push Pull Cart $199.00 |
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New Sun Mountain Golf Speed Cart SV1 Push/Pull Charcoal $229.95 |
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New Sun Mountain Golf Speed Cart V1 Blue Push Pull $199.00 |
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Bernese Mountain Dog running in garden Photo Mugs ME-1308 Bernese Mountain Dog running in garden Johan De Meester Please note that prints are for personal display purposes only and may not be reproduced in any way. contact details prints ardea tel 020 8672 2067…. |
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California Road Sign Photo Mugs car, California, Road, Sign, Warning, hairpin, bend, and, speed, restriction, America, American, US, USA, United, States, yellow, current, contemporary,…. |
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HORSE – Pony Welsh Mountain – Type A, group running Photo Mugs JPF-4666 HORSE – Pony Welsh Mountain – Type A, group running Jean Paul Ferrero Please note that prints are for personal display purposes only and may not be reproduced in any way. contact details prints ardea tel 020 8672 2067…. |
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Behind the Wheel – Ferrari Testarossa – Rare 1992 Driving Movie – No speed limits in the mountains of Cali 35 minutes… |
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Gerber 22-47162 Fast Draw Spring Assisted Opening Stainless Steel Fine Edge Knife $24.84 With spring-assisted technology, the Gerber Fast Draw Knife deploys quickly and easily with one hand. This fine edge knife can be triggered using the thumb stub or with a sudden release of the index finger. The Fast Draw features a high carbon surgical stainless steel blade and tactile texturing on nylon handle. The blade measures 2.99 inches in length. A sturdy pocket clip keeps it close at hand…. |
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Work Sharp WS3000 Wood Tool Sharpener $179.99 The Work Sharp WS3000 Wood Tool Sharpener is an easy-to-use dry sharpening system for chisels, plane irons, lathe tools, carving tools, and other woodworking tools. Designed for the serious woodworker, this sharpening system is packed with unique features that make it easy to achieve consistent angles on flat blades and contoured tools. .caption { font-family: Verdana, Helvetica neue, Arial, ser… |
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Solar Attic Fan with 25-year Warranty! $299.00 Solar Attic Fans are easily installed and a great product for proper attic ventilation. Natural Light brand solar attic fans are top rated by builders and are the highest quality built in the USA! The DC motor is powered by the included solar panel with the attic fan motor moving hot air and moisture out of the attic space everyday. Solar panel is adjustable from flat up to 45 degree angle or can … |
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The California Kid $2.74 Breakneck car chases highlight this fast-paced actioner about a psychotic small town sheriff (Vic Morrow) who keeps speeding down in his jurisdiction by running the offenders off the road. When one of his victims’ brothers (Martin Sheen) screeches into town to settle the score, the stage is set for a no-holds-barred race to the death. With Michelle Phillips, Nick Nolte, Stuart Margolin. 74 min. St… |
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Dust to Glory $6.57 Don’t be surprised if you feel a dry, tickling sensation in the back of your throat after watching the slam-bang racing documentary Dust to Glory. It’s probably from the lingering sand and silt spewed from the knobby wheels of an array of machines that skitter from one end of the Baja Peninsula to the other. Using 90 cameras in a variety of formats, director Dana Brown captures the giddy danger … |
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Top of the World $1.99 … |
