These are not perfect rules but a good place to start if your bike fit doesn't seem right or you are having any sort of pain that isn't expected.
1) Bars Lower then Saddle ? Lower for road, higher for mtb
- Image from Bikefit.com
- the more hilly your riding the more tilt you can get away with
***ie. mtb more downward tilt then road generally
Image from Bikefit.com
3) Saddle Fore-Aft = Remember your saddle height is changed when you move saddle forward or backward
= General goal starting spot is bottom of knee cap over pedal spindle
= also assess vertical line from tip of saddle versus vertical line through center of BB
* generally 2-4cm behind Center of BB
From Jim Langley http://www.jimlangley.net/crank/bike_fit1seatheight.jpg
4) Saddle Height allow for full rotation with Heel on the Pedal (ie. unclipped), this provides a slight bend in most people once clipped in and ankle/foot is reintroduced to leg length/pedal stroke
- sitting in trainer can you put heels on pedal and do a full rotation with contact to pedals.
- flexibility may allow increasing slightly from here or require slight decrease from there if limited.
And if you can't get it figured out toss me an email and let's game play some solutions or get you in with Steve Neal for a Performance Bike fit !
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