3001978 Posted September 10, 2009 Report Share Posted September 10, 2009 As a newbie to trials riding, I am curious about the front sprocket set up.I currently use a Hope pro 2 singlespeed / Trials hub on my commute bike and have recently built another set of wheels with the same hub for trials riding, but now I am pondering whether it is best to stick to a fixed sprocket on the rear with your freewheel on the front (from which I gather is preferred) or stick to your freehub set up with the fixed sprocket on the front or is it blasphemiest to run both as freewheels? Plus, I am going to be running my tyre pressures at about 12-15psi - is that a common base mark or can anyone reccomend an alternative.Your advice is much appreciated.CALLUM (03001978) Quote Link to comment Share on other sites More sharing options...
Ashley-Wood Posted September 10, 2009 Report Share Posted September 10, 2009 fixed on the front and keep your pro2 on the rear... Quote Link to comment Share on other sites More sharing options...
ashleysmith Posted September 10, 2009 Report Share Posted September 10, 2009 tyre pressure depends on weight of rider... i'm like 15st so i put 30 in my rear and 40 in my front....i run fixxed rear and tensile front, i had the same personal debate... but after a convo with hdmackay (in inverness when i was in scotland) i decided to go fixxed rear and free frontprobably doesnt help but it was my "2 pence" Quote Link to comment Share on other sites More sharing options...
Andrex Posted September 10, 2009 Report Share Posted September 10, 2009 Tyre pressures isn't always about the weight of a rider. A more street style rider would run more pressure for manuals and faster moves while a more comp styled person would run less pressure for grip and springiness. I think its down more to personal preference. Quote Link to comment Share on other sites More sharing options...
sstein Posted September 10, 2009 Report Share Posted September 10, 2009 Tyre pressures isn't always about the weight of a rider. A more street style rider would run more pressure for manuals and faster moves while a more comp styled person would run less pressure for grip and springiness. I think its down more to personal preference.agreedalso as for the fixed front or rear, if you have already bought the hub, stick to it. Pro 2s are really nice for trials I use one myself, you will not really notice a difference with front freewheels and pro 2s are ultra reliable. I personally prefer more than 48 engagement points but that is cause I started with 108 and I am used to it, it is very unlikely that you would notice especially if you are new to trials. Quote Link to comment Share on other sites More sharing options...
3001978 Posted September 11, 2009 Author Report Share Posted September 11, 2009 Thanks for the replies, certainly solved a debate in my head, in the middle of building up my bike so I will post some pictures soon.CALLUM (03001978) Quote Link to comment Share on other sites More sharing options...
3001978 Posted September 11, 2009 Author Report Share Posted September 11, 2009 (edited) In case any of you wish to built up a Hope pro 2 single speed and wish to know the dimensions for inputing into DT Swiss spoke calculator they are as follows:Pitch Circle Diameter: Left. 56.00mm Right. 54.00mmFlange Distance: Left. 34.50mm Right. 29.50mmSpoke Hole Diameter: 2.60mmDT Swiss do not hold the information on the trails hub just the pro 2 and there is 1mm difference in spoke length (although you could get away with it) Hope this helpsCALLUM (03001978) Edited September 11, 2009 by 3001978 Quote Link to comment Share on other sites More sharing options...
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