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Noob wanting to upgrade a 1999 Marin Shoreline

1897 Views 34 Replies 7 Participants Last post by Bikinfoolferlife, Jan 16, 2010

gallopingsalmon

Discussion Starter · Jan 1, 2010

A very long time ago my dad bought my a nice mountain bike, but as the years went by the the bike collected dust in the garage. I'm wanting to start riding again so i can get in shape, but I need to get it into riding condition. Instead of taking it to a shop to do the work I thought I would work on the bike myself and learn something. The Rear Derailleur is broken I don't know where or how to choose one. From what I can the bike is a 24 (8 X 3) speed. If I change the rear deaileur would I need to change the triggers/twisters too? Thanx in advance for the help.

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JPark

· #2 · Jan 1, 2010

No, if you stick with 8spd cassette, you can use 7,8,or 9spd derailleur with your 8spd shifters.

gallopingsalmon

Discussion Starter · #3 · Jan 1, 2010

I'm finding derailleurs coming in short/medium/long. which one is right for me?

JPark

· #4 · Jan 1, 2010

Med, or long, depending on gear combos. If you are unsure, you can't go wrong with long. Also, I believe your bike has Sram derailleurs, if this is the case the must be replaced with Sram.

InvictaS1

· #5 · Jan 1, 2010

you dont have to use a sram rear derailleur. you can use either a sram or a shimano rear derailleur. you just cant use any of sram's newer X series derailleurs such as their X3, X4, X5, X7, X9, or X0 derailleurs. also, you do not have to change out your shifters.

this would work http://www.universalcycles.com/shopping/product_details.php?id=6929&category=72

gallopingsalmon

Discussion Starter · #6 · Jan 1, 2010

this bike has not been ridden in years. should change out chains or anything else? also I'm missing the wheel skewer on the front tire. don't know which length to get.

InvictaS1

· #7 · Jan 1, 2010

replace anything thats obviously worn out. if you are going to replace your derailleur this might bea good time to have your cables replaced. use a chain length guage see if your chain is stretched out (if so then replace), you might also want to replace your brake pads if they are worn.

you'll need a 100mm skewer which is what 99% of bikes use. http://www.universalcycles.com/shopping/product_details.php?id=29511&category=160

scottzg

· #8 · Jan 1, 2010

I would go to a shop and say 'hi, what do you think i'd need to do to get this running?'
So much easier to diagnose stuff in person.

Why do you think the RD is kaput? It could be an adjustment or gummed up shifters or something. RD's don't die as easily as people seem to think.

Front skewers are all the same length, it's not 100mm though. Just ask for a front skewer.

I bet the tires are pretty tired. See what i did there?

JPark

· #9 · Jan 1, 2010

you dont have to use a sram rear derailleur. you can use either a sram or a shimano rear derailleur

The bike is listed as having Gripshift ESP, which I believe has the same ratio as the Sram X series and is not Shimano compatible.

gallopingsalmon

Discussion Starter · #10 · Jan 1, 2010

Here is a picture. I'm not sure if there needs to be adjustment, but the derailleur seems to be hitting the wheel spooks. If you can the imprint its listed at a 1:1 ratio. does that open up my options a bit more.

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Bikinfoolferlife

· #11 · Jan 1, 2010

gallopingsalmon said:
Here is a picture. I'm not sure if there needs to be adjustment, but the derailleur seems to be hitting the wheel spooks. If you can the imprint its listed at a 1:1 ratio. does that open up my options a bit more.

1:1 means you need a SRAM 8-sp shifter (and not one of the Shimano-compatible shifters from SRAM in their Attack lineup). That derailleur does indeed appear to have problems...

ps That's not too clear, since you already have the shifter, you needs a SRAM derailleur to go with your current shifter...

JPark

· #12 · Jan 1, 2010

Ouch

That's tweeked for sure. Start by removing the derailleur, then check the hanger for alignment. It is possible to get that derailleur straightened out, but unlikely. As I said above, it can only be replaced with a Sram X series.

JPark

· #13 · Jan 1, 2010

Bikinfoolferlife said:
1:1 means you need a SRAM 8-sp shifter (and not one of the Shimano-compatible shifters from SRAM in their Attack lineup). That derailleur does indeed appear to have problems...

Does not have to be 8spd.

gallopingsalmon

Discussion Starter · #14 · Jan 1, 2010

man they are a lot of Sram X series. but that x-9 is a on sale right. now. might jump on that one.

i should probably ask this now. should i drop money into this bike or use it the purchase of another bike? what would you do in my situation?

JPark

· #15 · Jan 1, 2010

Depends on the condition of the bike in general. If all it needs is a derailleur, and maybe cables and other minor items, then yes it's worth fixing even if you get another bike.

InvictaS1

· #16 · Jan 1, 2010

sorry i was wrong about your bike, i didnt think those older derailleurs used the 1:1 actuation ratio, so yes you will need a sram derailleur. like JPark said, it doesnt need to be an 8spd derailleur though.

Bikinfoolferlife

· #17 · Jan 1, 2010

gallopingsalmon said:
man they are a lot of Sram X series. but that x-9 is a on sale right. now. might jump on that one.

i should probably ask this now. should i drop money into this bike or use it the purchase of another bike? what would you do in my situation?

Depends how much you like the bike, it's not always about money...but the suspension designs and components have come a long way in the last 10 years. I'd be looking for a new bike rather than upgrade that one...

gallopingsalmon

Discussion Starter · #18 · Jan 2, 2010

thanx guys for all the help. this is probably one of the friendliest forums i've seen. i've been looking for the classified section here, but i guess you don't have one.

InvictaS1

· #19 · Jan 2, 2010

gallopingsalmon said:
thanx guys for all the help. this is probably one of the friendliest forums i've seen. i've been looking for the classified section here, but i guess you don't have one.

http://classifieds.mtbr.com/index.php

GiddyHitch

· #20 · Jan 2, 2010

gallopingsalmon said:
thanx guys for all the help. this is probably one of the friendliest forums i've seen. i've been looking for the classified section here, but i guess you don't have one.

The quick link for the classifieds is at the very top of the page. And welcome to the forum! :thumbsup:

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