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2nd ever TT
Even more impressive!
Ordinarily you'd want to avoid ramps & pins (assuming you don't want your chain to come off), but I don't know if the wider chain would clear them.
Either way the teeth won't be full height, so you might as well do it right and get a proper ring.
You're 130mm BCD? Loads of old rings about, which don't have ramps & pins or a new one from Bike24 will cost you about £30 shipped, for up to 54t.
Scilly.Suffolk-
new one from Bike24 will cost you about £30 shipped
You mean this: http://www.bike24.com/p294943.html or this: http://www.bike24.com/p292381.html as @Pifko is using ⅛". As Bike24 seem only to have the black ones in stock, it's more like £40 for a 52T
£31.39 for Stronglight from France, up to 53T for the S/TK type. The Stronglight Zicral/7075 ones are a bit stronger than the Gebhardt dural ones, and the S/TK type are beautifully made.
gbj_tester
Cheers, not the hardest task to PB on your 2nd ever TT though!
Well, I have a 50T here (not exactly a 65T I know), but it is 3/32" and has ramps. Will I die if I use it with my 1/8" setup?