Duane_Bosch Posted January 22, 2018 Posted January 22, 2018 So what says the knowers of things? Just your opinions maybe? I've got a 26er dh bike that I'm resurrecting. And I'm thinking about doing it as a SS. I'm already going to be binning the chainguide and front chainring for a NW and I'm nowhere near a fast guy or anything resembling a racer for that matter. I've got a trail bike for pedaling uphill. Thoughts?
Kalahari Vegmot Posted January 22, 2018 Posted January 22, 2018 Why not? I'm no DH expert; but the bike is about you. It don't matter what others think or say...
Letum911 Posted January 22, 2018 Posted January 22, 2018 Nice idea. I have no knowledge of DH riding, so the I cannot comment on the function. Regarding the SS part specific: Make sure that your chain is long enough for the suspension travel, also that you have sufficient chain tension to prevent the chain from bouncing off. N/W in the front and a wide base sprocket in the back will serve you well.
Hairy Posted January 22, 2018 Posted January 22, 2018 You are going for a SS build ... no reason for it to make sense, just do it and take lots of pics please.
shaper Posted January 22, 2018 Posted January 22, 2018 Will be interested to see how you overcome chain tension/slack on the rear suspension Something for inspiration http://lenzsport.com/mountain-bikes/milkmoney-ss/ http://forums.mtbr.com/singlespeed/full-suspension-conversion-single-speed-753290.html
Odinson Posted January 22, 2018 Posted January 22, 2018 SS DH/FR bikes are apparently quite common among parkrats in the States and Canada. There is a German company that creates a SS RD-style tensioner for DH bikes, but I can't recall the brand. If I were you and had an uplift for days on the big rig, I'd definitely consider it.
Captain Fastbastard Mayhem Posted January 22, 2018 Posted January 22, 2018 Yo D, You'll still need to run some sort of chain tensioning device (like this) to allow for the chain growth that the mak will have when cycling through its suspension travel. Here's the entire kit from Rapide. https://www.rapide.co.za/product/rapide-tension-r-single-speed-kit/ Your existing RD or another old RD that's locked into the right position (either through limit screws or by a piece of gear cable secured in the right way) will also work. If you don't have something like that, then the chain will snap and the suspension won't work properly as it'll be restricted by the chain.
droo Posted January 22, 2018 Posted January 22, 2018 Mr Control also have a few sprung tensioners on the market in SA. Do it. It's not like you're short of bikes.
Duane_Bosch Posted January 22, 2018 Author Posted January 22, 2018 Yo D, You'll still need to run some sort of chain tensioning device (like this) to allow for the chain growth that the mak will have when cycling through its suspension travel. Here's the entire kit from Rapide. https://www.rapide.co.za/product/rapide-tension-r-single-speed-kit/ Your existing RD or another old RD that's locked into the right position (either through limit screws or by a piece of gear cable secured in the right way) will also work. If you don't have something like that, then the chain will snap and the suspension won't work properly as it'll be restricted by the chain. @ Anyone. Does a DW link bike have massive chain growth? The bike I'm building up is DW link.
Captain Fastbastard Mayhem Posted January 22, 2018 Posted January 22, 2018 If you use your derailleur for it, then you can essentially use your existing gear cable, and just ensure that the lug at the end is up against this stopper highlighted in yellow. Then get the cable clamped in the right place so that it's running on the right chainline for your cog.
Captain Fastbastard Mayhem Posted January 22, 2018 Posted January 22, 2018 @ Anyone. Does a DW link bike have massive chain growth? The bike I'm building up is DW link.the Turner?
Duane_Bosch Posted January 22, 2018 Author Posted January 22, 2018 If you use your derailleur for it, then you can essentially use your existing gear cable, and just ensure that the lug at the end is up against this stopper highlighted in yellow. Then get the cable clamped in the right place so that it's running on the right chainline for your cog. No don't want to do that. Cables must fall. #neat.
Duane_Bosch Posted January 22, 2018 Author Posted January 22, 2018 the Turner?Aye. It's time to pull it off the wall and bring it out of retirement. Gonna sell my GT. It's a much better bike but it doesn't make my blood flow.
Captain Fastbastard Mayhem Posted January 22, 2018 Posted January 22, 2018 From MTBR - Weaknesses: chain growth. based on my measurement I'm seeing approx 35mm of growth at full compression. So - yes, you'd need some sort of sprung tensioner and the chain would explode if you tried to run it like a hipster-SS.
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