Active Monkey Posted October 31, 2013 Share No idea..... Its 2013 Link to comment Share on other sites More sharing options...
Caerus Posted October 31, 2013 Share Ok I'm all for buying new bikes but if you're not really into racing road then build a pair of "road wheels" for your mtb. Mtb hubs laced to road rims. Some 25mm road tyres and boom - same position as your mtb but smooth and faster. Lock out the shock(s). One year I rode Sun City mtn and road races like that. The roadies love it when you ride with them on your mtb.Do you always have to race? What happened to just the fun element? Link to comment Share on other sites More sharing options...
rouxtjie Posted October 31, 2013 Share Ok I'm all for buying new bikes but if you're not really into racing road then build a pair of "road wheels" for your mtb. Mtb hubs laced to road rims. Some 25mm road tyres and boom - same position as your mtb but smooth and faster. Lock out the shock(s). One year I rode Sun City mtn and road races like that. The roadies love it when you ride with them on your mtb.kekekekkekeke....they sure do Link to comment Share on other sites More sharing options...
funjunkie Posted October 31, 2013 Share Well there it is. Cost me under 5 and will be my road race bike. Will still use my MTB as main one Congrats, welcome to the dark side. You can expect to improve by 20-30mins on your road bike. Link to comment Share on other sites More sharing options...
Active Monkey Posted October 31, 2013 Share Congrats, welcome to the dark side. You can expect to improve by 20-30mins on your road bike. Thats cool but the main reason in the effort and cost to switch tires each time... Plus this will go on the trainer during the rest of the year with my mtb ready to rumble! lerouc 1 Link to comment Share on other sites More sharing options...
RudoJ Posted October 31, 2013 Share Thats cool but the main reason in the effort and cost to switch tires each time... Plus this will go on the trainer during the rest of the year with my mtb ready to rumble!No man, what have you done????Just made me lean more towards getting one too....going to do 94.7 on mtb with knobblies just because I don't want to do the effort of sealant etc etc. quite like Eldron's idea though, as it would be easier to hide from the ball and chain at home Will see how the bonus looks end of next month and how much my wife wants done at home... cobus3000 1 Link to comment Share on other sites More sharing options...
jimmycool Posted October 31, 2013 Share Ok I'm all for buying new bikes but if you're not really into racing road then build a pair of "road wheels" for your mtb. Mtb hubs laced to road rims. Some 25mm road tyres and boom - same position as your mtb but smooth and faster. Lock out the shock(s). One year I rode Sun City mtn and road races like that. The roadies love it when you ride with them on your mtb. The biggest drawback with this option is that you lose a lot of top end speed.The gearing of a road crank set is so much bigger. So where your big blade on the mtb is usually a 42 tooth the road bike has a 52+ big blade. Also the rims of a road bike and a 29er are the same size but the overall circumference with the skinny road tyre on is much smaller than the mtb tyre thus going less distance for each revolution of the wheel. The upshot is that it works, but you end up spinning out at quite a low speed. Link to comment Share on other sites More sharing options...
F111 Posted October 31, 2013 Share The biggest drawback with this option is that you lose a lot of top end speed.The gearing of a road crank set is so much bigger. So where your big blade on the mtb is usually a 42 tooth the road bike has a 52+ big blade. Also the rims of a road bike and a 29er are the same size but the overall circumference with the skinny road tyre on is much smaller than the mtb tyre thus going less distance for each revolution of the wheel. The upshot is that it works, but you end up spinning out at quite a low speed.on my MTB that is modified I start to spin at about 45Km/h. on steep hills I can sometimes do better than the roadies on a flat road I can't keep up if I don't work very hard. Link to comment Share on other sites More sharing options...
Caerus Posted October 31, 2013 Share No man, what have you done????Just made me lean more towards getting one too....going to do 94.7 on mtb with knobblies just because I don't want to do the effort of sealant etc etc. quite like Eldron's idea though, as it would be easier to hide from the ball and chain at home Will see how the bonus looks end of next month and how much my wife wants done at home...You can kiss that bonus goodbye, sorry for you Link to comment Share on other sites More sharing options...
Eldron Posted October 31, 2013 Share The biggest drawback with this option is that you lose a lot of top end speed.The gearing of a road crank set is so much bigger. So where your big blade on the mtb is usually a 42 tooth the road bike has a 52+ big blade. Also the rims of a road bike and a 29er are the same size but the overall circumference with the skinny road tyre on is much smaller than the mtb tyre thus going less distance for each revolution of the wheel. The upshot is that it works, but you end up spinning out at quite a low speed. "Low speed" is relative...I can happily cruise along at 50kph without spinning out. Your theory is absolutely bang on though. Less circumference = lower gearing. In other news - it's kinda interesting that they never changed the gearing when wheel size went from 26 to 29. Edit: I was bored so I did some maths. 25mm road tyre circumference is only 5.4% less than 2.3" mtb tyre. Road gearing (52/12) is 13.5% bigger than mtb (42/11). Edited October 31, 2013 by Eldron Link to comment Share on other sites More sharing options...
Christie Posted October 31, 2013 Share Im with Eldron on this, rather get another set of "road" wheels for your mtb. If you do get a road bike, make sure your medical aid, disability and life insurance are in good shape. arendoog 1 Link to comment Share on other sites More sharing options...
Eldron Posted October 31, 2013 Share Im with Eldron on this, rather get another set of "road" wheels for your mtb. If you do get a road bike, make sure your medical aid, disability and life insurance are in good shape. Hmmm. On second thoughts - buy a new lightweight pair of uber wheels for your mtb and turn the old ones into road wheels. DOuble the benefits :-) Link to comment Share on other sites More sharing options...
Kritzie Posted October 31, 2013 Share Agree with Eldron but these roadie okes normally wet their broeks when passing from behind with the nobblies going GRrrrrrrrrrrrr!!!! Link to comment Share on other sites More sharing options...
Eldron Posted October 31, 2013 Share Agree with Eldron but these roadie okes normally wet their broeks when passing from behind with the nobblies going GRrrrrrrrrrrrr!!!! Also - the rush from cornering hard with knobblies on the tar is hard to beat! It's like driving an overloaded truck with flat tyres over ice. Drunk. And high. rouxtjie 1 Link to comment Share on other sites More sharing options...
Super Sywurm Posted October 31, 2013 Share I would rather stay with the mbt, one bike for your body to get used to. And I always feel like doing races like the Argus with a mtb is more of a challenge than with a road bike. Link to comment Share on other sites More sharing options...
Rider3000 Posted October 31, 2013 Share Nothing is faster than a road bike….!! whoop whoop! Remember MTb's are build for off road etc. road bikes are build to go fast and to be light! They both great in their own right..but on the road .."road" will win! On dirt..you know Link to comment Share on other sites More sharing options...
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