Furbz Posted August 19, 2014 Share what are your thoughts regarding crank length on a MTB bike? i am buying a new bike.inseam is 80cm, and i'm 170cm tall. the 2 bikes on the floor are kitted with 170mm and 175mm now i am tempted to go for the 170mm but need some wisdom from fellow hubbers! Thoughts, opinions? Link to comment Share on other sites More sharing options...
Spoke101 Posted August 19, 2014 Share 170mm might be a wiser choice. Link to comment Share on other sites More sharing options...
Mr X Posted August 19, 2014 Share You should be riding a 165mm crank according to online crank length calculators. So definitely go for 170mm. Link to comment Share on other sites More sharing options...
Louis for real Posted August 19, 2014 Share 170 Link to comment Share on other sites More sharing options...
GoLefty!! Posted August 19, 2014 Share what are your thoughts regarding crank length on a MTB bike? i am buying a new bike.inseam is 80cm, and i'm 170cm tall. the 2 bikes on the floor are kitted with 170mm and 175mm now i am tempted to go for the 170mm but need some wisdom from fellow hubbers! Thoughts, opinions? doesn't really matter. 170mm will help you product cadence so for a road bike that will be ok. The 175mm will help you produce more torque which helps for MTB. My inseeam is 81.5 and overall 171 and I ride 172.5 on the road and 175 on the MTB Link to comment Share on other sites More sharing options...
NINER_boy Posted August 19, 2014 Share IMO, during MTB riding, we deal with many situations of low speed - high torque, and generally lower cadence than on a road bike, so175mm Link to comment Share on other sites More sharing options...
Trackie Posted August 19, 2014 Share Disagree, 170mm gives better obstacle (read, rock) clearance and is better suited to a shorter leg length. Shorter crank is easier to accelerate from a standstill. Link to comment Share on other sites More sharing options...
'Dale Posted August 19, 2014 Share 175Greater torque Link to comment Share on other sites More sharing options...
NINER_boy Posted August 19, 2014 Share Better clearance yes, BUT Longer lever (175mm) = greater torque for low speed high torque situations Link to comment Share on other sites More sharing options...
Trackie Posted August 19, 2014 Share Greater torque, but slower acceleration. The reason track sprinters ride short (165mm) cranks. Link to comment Share on other sites More sharing options...
NINER_boy Posted August 19, 2014 Share Greater torque, but slower acceleration. The reason track sprinters ride short (165mm) cranks. Because they ride cadence up to almost 200rpm. Not so much on a MTB Link to comment Share on other sites More sharing options...
popcorn_skollie Posted August 19, 2014 Share this thread was suppose to help him decide Link to comment Share on other sites More sharing options...
Trackie Posted August 19, 2014 Share 170, better for MTB, in my opinion. Especially if you're short.Hell, I'm short and ride 170's on road, MTB and track, so I suppose I'm biased Link to comment Share on other sites More sharing options...
Sniffie Posted August 20, 2014 Share Better clearance yes, BUTLonger lever (175mm) = greater torque for low speed high torque situationsYou can always gear down if required. 170 all the way. The OP will thank us later. Link to comment Share on other sites More sharing options...
NotSoBigBen Posted August 20, 2014 Share Will the 'average' rider even notice the difference Link to comment Share on other sites More sharing options...
Furbz Posted August 20, 2014 Share this thread was suppose to help him decide It's helping a lot actually! All my previous mtbs I bought 2nd hand. This is my first new purchase so I get to customize everything which is nice! Link to comment Share on other sites More sharing options...
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