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MTB rider getting cyclocross bike, sizing???
Getting a cyclocross bike for the city. I ride a Specialized 18" MTB.
Anyone care to guess approx cyclocross size? -- rec.bicycles.off-road is moderated by volunteers. To find help solving posting problems, or contact the moderators, please see http://rbor.org/ Please read the charter before posting: http://rbor.org/rbor_charter.txt |
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wrote:
Getting a cyclocross bike for the city. I ride a Specialized 18" MTB. Anyone care to guess approx cyclocross size? A good starting point is to look for a bike that has a combined effective (horizontal) top tube plus stem length of about 1-2cm shorter than your MTB. If you're going to ride it "in anger" off-road, you might want to go a cm shorter. That's based on having your MTB set up for "all-around riding". If you live for the downhill or trials-type riding, your MTB "cockpit" may be a bit short to use as a comparison. Mark Hickey Habanero Cycles http://www.habcycles.com Home of the $695 ti frame -- rec.bicycles.off-road is moderated by volunteers. To find help solving posting problems, or contact the moderators, please see http://rbor.org/ Please read the charter before posting: http://rbor.org/rbor_charter.txt |
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Mark makes a good point that top tube length is the best place to compare.
I was curious how my bikes compared- I measured reach from the tip of the saddle to the handlebars (center). i am 6'2". my road and cyclocross bikes were about 58.5-59 cm seat tip to C-handlebar. my mtn bike was about 64 cm for the same measurement. more than the 1-2 (or 3) cm difference comapred to CX Mark recommends. measuring the road/CX bikes from seat tip to an imaginagy line that goes between the brake hoods where the crotch of my thumb goes gave a reach of about 75cm. all of these position feel pretty reasonable to me. so, my mtn position is intermediate between being on the handlebar tops and on the hoods. I ride both my CX and Mtn bikes off-road. for my CX set-up I use top mounted brake levers- so I have a fairly upright poisition on the tops and can still brake. and I have a comfortable road position on the hoods for when i'm pedaling normally. -marc Mark Hickey wrote: wrote: Getting a cyclocross bike for the city. I ride a Specialized 18" MTB. Anyone care to guess approx cyclocross size? A good starting point is to look for a bike that has a combined effective (horizontal) top tube plus stem length of about 1-2cm shorter than your MTB. If you're going to ride it "in anger" off-road, you might want to go a cm shorter. That's based on having your MTB set up for "all-around riding". If you live for the downhill or trials-type riding, your MTB "cockpit" may be a bit short to use as a comparison. Mark Hickey Habanero Cycles http://www.habcycles.com Home of the $695 ti frame -- rec.bicycles.off-road is moderated by volunteers. To find help solving posting problems, or contact the moderators, please see http://rbor.org/ Please read the charter before posting: http://rbor.org/rbor_charter.txt -- rec.bicycles.off-road is moderated by volunteers. To find help solving posting problems, or contact the moderators, please see http://rbor.org/ Please read the charter before posting: http://rbor.org/rbor_charter.txt |
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