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RyanRs

what Wun?  

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  1. 1. what Wun?

    • Middleburn RS7 Pros
      29
    • Middleburn RS7 Super Pro Ti
      27


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A new middleburn crank to own, i will. What choice of wepon is to the preference of the trials Side ?

*Search your Feeeeelings*

-i have used rs7 pros for the last 2 cranks, fancy a change to Super Pro Ti. what does you think? (its for 26"bike)

Ry

:)

Edited by RyanRs
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I've recently made the change to a Ti bash, but only 'cause i got it cheap. (Technically didn't pay anything, but anyway)

Pros:

Looks better

Lighter

More ground clearence

Can use a shorter chain

Cons:

Expensive

(Technically) puts 37.5% more force on a chain (compared to a 22t chainring), but I seriously doubt that if you're using a sensible chain it'll make any difference

(On my bike anyway - with a kmc cool) - It's very sensitive to chainline, needs to be just right to avoid rubbing/not being smooth

(Again on my bike - a control; with thick chainstay yolks) - The chain is very close to the chainstay yolks, so slaps more easily, but with a decent chain tensioner, it's not a problem.

Either way, for me i'd say the pro's outweigh the cons, and was definately worthwhile getting it. :)

Also, since dartmoor I'd been running 20:19, as I had to take a link out of my chain and had to put a 20t ring on to fit, and so i run 16:15, and it's really good for me. So as always, explore your options.

Hope this was of some help to you.

See the "bike pics" thread for pics of mon velo with the Ti Bash. :P

Mike.

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I honestly dont see anything wrong with the normal rs7 pro trials crankset, the bashring is still nice. I dont feel that its worth paying so much money for a little ring of titanium unless your a bike pimp lol. You do save weight and get more clearance, but for the money i would rather spend on something else its not worth it. So, if you want to spend the money get the super pro trials if you want to save money, get the normal rs7s.

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When I bought mine there was only £15 difference in the price of the RS7 Trials Crankset and the RS7 Super Trials (i.e. ti) crankset. I can't fault mine at all :)

If I was to go back and get a new set of cranks however, it would definatly be the Tensile UCI set.

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oke thanx peops. i do notice you all sayin about snappin the chain easier.. i can understand why as theres a tighter angle on the cog under load.. but...

i have just replaced my KMC Kool for a Spankin New KMC Kool, my old one is 1 year and 4months old and started off been fitted to my old bmx then gone through 2 trials bikes. and it has sufferd loads of abuse! its so used its streatched 3/4 link longer over the 3/4 chain length (when comparing to the new one) -i only changed the chain cos i start to question its life, but its still not snapped! -so my point being, if i get a new KMC, and spankin new rear sprocket, along with the RS7 Super Pro cranks, and keep it all nicely inline, i shuld still see a good 10months life out of the chain?

if you all get me?

Also, i rember somone posting a pic of there new pitball '05, and they are running single speed on it without a mech or chain tensioner, just slapped the chain on like on a mod.. well im geting a pitball soon and am wondering if the Owner of the one in the pic, has had any problems with his ss setup?

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this is tough one....

i ran one for about 6 months, but im not sure if i liked it or not....

when i first got it, i loved it, and while i was running it, i never saw any fault in it.....

but, ive sinse gone back to 20/17, with a machined down bash, and realised just how nasty the Ti bash was!

before getting the ti bash id never snapped a kmc kool chain, with the ti bash i snapped 4 in 6 months, each time replacing it with a brand new one!

also, as mike says, they do seem very sensitive to chainline. mine was forever messing up and not running smoothly....

the last problem i found, was although rare, on the times i did hit my bashring, unless it was on anything perfetly solid and square, the chain would also take a bashing, which resulted in me getting FAR too many stiff links for my liking.

i was forever getting stiff links out......

so sadly, while it weighs sodd all, looks awesome, and is pretty cool.

i didnt rate it too highly.... sinse going back to 20/17 with the smallest bash that'll cover a 20t, ive not had a single drivetrain problem!

plus the larger the front ring the better the variation in gears.

i personally found 16/13 WAY too hard, and 16/15 FAR too easy.... only 16/14was really rideable for me, if a little on the spinny side.

yet with a 20t, i can happily run 20/18, 20/17, or 20/16 depending on my mood/energy/riding style at the time....

really

save the cash. get a 20t middleburn setup, and send your bash to edd potts to have it machined down!

also..... forget short term 6 months.... what happens in a year when that little 16t ti chainring wears out?

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oke thanx prawn! i think you have just made my mind up for me! i think there is a good 'boundary line' to consider when it comes to Safety VS lightness. maby the Ti pro is just a tad over the top.

Ill go for a 20T middleburn pro setup instead and mill down the bashguard. not asif the rs7 pros weigh anything anyway!?

Thanx

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I have the ti bash (machined down further by iolo).

I love mine, its light, LOADS of ground clearence and is very hard wearing.

its also the most trouble free drivechain I have ever had, I never had any chain line issues, I just boshed it on and it worked.

I have had it over a year and have never snapped a chain while using it, also the teeth show no sign of wear and the bash its self is in good condition.

BUT if I didnt ride natural all the time where light weight and ground clearence really counts, I would use the normal bash, just to be safe.

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Mines amazing i love it to bits ive had it ages and never had a single problem with it.

Ive had 2 kmc chains i went from the bmx one to the mtb version as it was a little lighter and so my chain wouldnt slap the chainstay.

Ive never had a stiff link or any kind of chainline problem but lets face it is it really that hard to get the right chainline?

in my opinion its a amazing bash i really cant fualt it its just so tough id defo buy another without even bothering about the price.

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I've always had a pro-trials bash - its solid, lasts forever, is still damn compact, looks good, grippy, stable...

Having ridden identical bikes to mine but with the super pro trials I didnt find that the extra ground clearance really helped - but when I did need the bashring, it was really tough to balance on and tipped the bike right back so getting up mahoosive stuff was much harder!

I'd say maybe get a pro-trials but have it machined down by someone like Leeson - this way you get to use a normal 20t chainring so when it wears out you can replace for cheap! Also get the width, strength, stability :-

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I've always had a pro-trials bash - its solid, lasts forever, is still damn compact, looks good, grippy, stable...

Having ridden identical bikes to mine but with the super pro trials I didnt find that the extra ground clearance really helped - but when I did need the bashring, it was really tough to balance on and tipped the bike right back so getting up mahoosive stuff was much harder!

I'd say maybe get a pro-trials but have it machined down by someone like Leeson - this way you get to use a normal 20t chainring so when it wears out you can replace for cheap!  Also get the width, strength, stability :-

Ditto. Went from Super Pro to a lathed Pro and its much nicer.

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I wouldnt say the ti bash was made for landing on on purpose so no it wouldnt seem very stable Its there just in case you do fall onto it.

Its a uci bash like the uci tensiles you wouldnt buy them if you rode hardcore street doing crank grinds and using the bash all the time to get up stuff.

Id say the ti bash if you rode uci style all the time or the normal bash if you ride street and tend to use the bash alot.

About the ground clearing coment biketrialler said if you rode it on natural riding tight rocks im really suprised you didnt notice the clearance as ive found it makes alot of difference.

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normal bash, purely due to the chain stenght and the fact it will be easier to damage the downtube with the 16t like coley said, and harder balance on. and the 22t is good for last gear rides around have to say the 16t looks so damm sexy. :">

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