K2 / Proflex Riders Group

General => Tech Forum => Topic started by: Nightowl on August 07, 2006, 05:48:20 am

Title: X56 Frame size
Post by: Nightowl on August 07, 2006, 05:48:20 am

I own a size small 756 at least i think i do judging by the rear shock mount location. my question is, where does the 14inch measurement come from? where should i be measuring to?  when I hold the end of the tape in the center of the BB the i can't find any place that 14 inches makes sense? The small frames were the only frames with the shock mount located in the top tube right?
             Thanks Matt B

Title: Re:  X56 Frame size
Post by: Colin on August 10, 2006, 04:48:01 am

God only Knows!

Although I believe the Small's were listed as 14.5" weren't they?

I've got a Medium (16" marked on frame) XP-X (856) and it's 20" from centre of bottom bracket to top of seat tube!
The only place it measures 16" is from the Bottom bracket to the underside of the top tube!

The same goes for my Medium 4000 and medium Oz's

According to Girvin's '98 geometry chart, the Bottom Bracket to Top of cross bar height is:
Small       379mm = 14.92"
Medium   430mm = 17"
Large      439mm = 17.28"
Way Big   450mm = 17.71"


Col

Title: Re:  X56 Frame size
Post by: Tel on August 10, 2006, 06:27:17 am

Hi chaps, the measurement is a vertual size taken as if the top tube was straight.
I only know because someone here told me.
Cheers, Tel.

Title: Re:  X56 Frame size
Post by: kiwi on August 13, 2006, 10:52:39 pm

yes the small aka 14's had the top shock mount through the tope tube