2006-06-24 11:06:32 · 9 answers · asked by thehorspools 1 in Sports ➔ Cycling
It depents how tall you are, Im 6 feet tall and have a 22" racing bike and a 19 " mountain bike. A good bike shop will keep you right.
2006-06-24 11:10:14 · answer #1 · answered by UFO^pilot 3 · 1⤊ 0⤋
To determine your proper frame size, you’ll first need to get an accurate inseam measurement . Stand with your back against a wall, your bare feet 6" apart on a hard floor,
looking straight ahead.
Place a book or carpenter’s square between your legs with one edge against the wall, and pull it up firmly into your crotch, simulating the pressure of your saddle while riding. Have a helper measure from the top edge of the book to the floor, in centimeters. (You can convert inches to centimeters by multiplying inches by 2.54.) Repeat two or three times, for consistency, and average the results to get your inseam length.
Source(s):
Frame size refers to the length of the frame’s seat tube. Pro frames are measured along the seat tube in one of two ways, center-to-top (C-T) or center-to-center (C-C). C-T measures the distance from the center of the bottom bracket to the top of the top tube or seat lug (See image bellow). C-C measures from the center of the bottom bracket to the center of the top tube. Since C-T measures to a point higher on the frame, a frame measuring 55cm C-T would also measure roughly 53.5–54cm C-C, a difference of 1–1.5cm.
To size your C-T road frame, we use a guideline of .67 x inseam length. For example, if you have an 85cm inseam, your C-T frame size would be .67 x 85cm, or 57cm.
LeMond’s formula, from his former coach, Cyrille Guimard, establishes C-C size by the formula .65 x inseam length, which yields virtually the same frame size when you add the 1–1.5cm difference between C-C and C-T.
Larger riders (6'0" and up) may find that this formula puts them on a too small, and uncomfortable, road frame. A taller cyclist who wants a more comfortable frame may be better off selecting a frame 27–28cm less than inseam length, C-T.
For a mountain bike, we start by recommending a frame in the range of 10–12cm smaller than you take in a road frame. For example, if you ride a 55cm C-T road frame, look for a 43–45cm (17–18") C-T mountain frame
2006-06-24 16:12:38 · answer #2 · answered by bmxcollections 5 · 2⤊ 1⤋
Go to a shop that specialises in bikes, sit on a few and find out. The shop assistant should be able to help!
2006-06-24 11:45:17 · answer #3 · answered by badgerbadger 3 · 1⤊ 0⤋
Depends on how long your legs are, not height.
You need to be able to stadle the frame and have both feet flat on the floor. When you sit on the saddle, your toes must be able to touch the floor, but not your heals.
2006-06-24 23:22:56 · answer #4 · answered by kingpaulii 4 · 0⤊ 0⤋
Get thee to your local bike shop and get fitted. It is worth the extra time and money.
2006-06-25 01:47:35 · answer #5 · answered by Anonymous · 0⤊ 0⤋
If i remember correctly, it's 1-2 inches shorter than your inseam.
2006-06-24 11:11:21 · answer #6 · answered by gi5es 2 · 0⤊ 0⤋
i find it more comfortable if i can stand up with an inch or two between my butt and the seat...its just easier for me
2006-06-24 11:13:05 · answer #7 · answered by . 3 · 0⤊ 0⤋
THE SEAT SHOULD BE RIGHT EVEN WITH YOUR BOTTOM OR HIPS.
2006-06-24 11:13:24 · answer #8 · answered by yahoo 5 · 0⤊ 0⤋
depend's on your height
2006-06-24 11:10:53 · answer #9 · answered by Anonymous · 0⤊ 0⤋