Bike is a Niner Sir 9 and I’m looking at options for a new CS for SS or 1×9/10. Originally I was going for white industries on a phil wood BB but with the Niner EBB I need to use external BB cups so have been thinking of the following:
Raceface Turbine CS with RF BB then Chris King when it wears out?
wondered what other combos people were running with external BB’sPosted 6 years agobent udderMember
A good Shimano crank does the job pretty well – I’ve run XT and Deore with no problems. Middleburn looks pretty nice in my book. I’ve also seen a few Hive cranks around on 1×10 / singlespeed set ups. If you’re looking for super pimpy, you might want to look at the Singular Cycles site – Sam runs Campy carbon cranks on a lot of his bikes, and they look really rather lovely.Posted 6 years agomick_rSubscriber
I love my square taper Middleburn Unos. But if I’m honest they have a few niggles. You can’t rotate and / or flip the ring to even out the wear (so lasts 4 x less than a regular 4 bolt ring – mine Hardcote 3/32 ring is showing heavy wear on specific teeth after 6 months use). I didn’t realise this before buying – I assumed that the spline chainring mounting let them fit anywhere – but the Uno ring is heavily dished to one side and machined to clear the crank 🙁
Also if using 1 x 9, I’ve found that bb lockring mounted chain devices don’t line up with the Uno ring position (but they do with Shimano HTII – and that is running what I was told to be the correct length sq taper bb).Posted 6 years agoflangeSubscriber
Just out of interest, the RS7 won’t work with a BB mounted chain device because of the spacing on the Uno. I spoke to E13 about this (I had an XCX that wouldn’t fit no matter how I spaced it) and apparently its because the standard is 50mm but Middleburn use 54mm.
I’ve got both RS8 and RS7’s and they are lovely, but they don’t stand up to much abuse. The external RS8 comes with rubbish self-extracting alloy bolts that break, and the RS7’s have deformed around the square taper. That said, on-one are banging out the externals for £200 a set for the Uno, got to be worth a punt…Posted 6 years agojamesoSubscriber
may need to sell a kidney or two though for Ti
But worth it if they look nice enough.. look at what Boones sold for..
Pleasantly suprised by how good my Goldtec wonky 34T feels. Made up some longer steel bolts for the M980 XTRs so I can fit flippable rings like this – looks as good as it works.
edit – candodavid, if you speak to BETD/Goldtec, add me to the list of punters / suckers that will buy a posh Ti version.Posted 6 years agotakisawa2Subscriber
Deore HT2’s with Surly SS ring here. Have one of Tazz’s wonky rings to go on later mind.Posted 6 years ago
Have some XT 770’s that I’ve been keeping but when I weighed them next to the Deores there were but a few grams between them. Loath to take the Deores off now, they have quietly & effeciently spun away for a couple of years now. In the search for kit that lasts I kept some old Hones, with the steel pedal inserts. Nice, stealthy blackness. Always liked XTR960’s but they command a fair price, even now.
Would have WI if I was rich.
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