DESCRIPTION

Steel race frames are entirely made with Original Colombus SL Niobium tubes, with flat seatube, lugs handmade by the frame builder and internal cableroutes for the brakes. Avaible in white, with crome lugs or personalized color.

Personalized colours available. Headset or traditional with screw forks available. SL tubes.

DETAILS

GEOMETRIES

GEOMETRIES FOR STEEL FRAMES WITH LUGS - SIZES from 48 to 55 All the measures in the following table are expressed in "mm" (millimetres)
SIZE	48	49	50	51	52	53	54	55
A	480	490	500	510	520	530	540	550
B	515	522	527	532	536	542	548	555
C	87	92	98	108	117	124	130	138
D	577	578	580	580	586	588	588	592
E°	74.3°	74.04°	74.04°	74°	74°	74°	73.5°	73.5°
F°	70°	70.5°	71°	71.4°	71.4°	72°	72°	72°
G	407	407	407	407	407	407	410	410
H	267	267	267	267	267	267	267	267
H1	70	70	70	70	70	70	70	70
R	45	45	45	45	45	45	45	45

GEOMETRIES FOR STEEL FRAMES WITH LUGS - SIZES from 56 to 64 All the measures in the following table are expressed in "mm" (millimetres)
SIZE	56	57	58	59	60	61	62	63	64
A	560	570	580	590	600	610	620	630	640
B	560	567	570	576	580	586	592	600	605
C	154	163	172	180	188	197	208	218	228
D	597	603	606	607	610	614	618	626	628
E°	73.2°	73.2°	73°	73°	73°	73°	73°	72.80°	72.80°
F°	72°	72.02°	72.02°	72.8°	72.8°	72.9°	72.9°	73°	73°
G	412	412	412	412	412	412	412	415	415
H	267	267	267	267	267	267	267	267	267
H1	70	70	70	70	70	70	70	70	70
R	45	45	45	45	45	45	45	45	45