Columbus Zona Gravel Set (Includes Fork)

Columbus Zona steel tube set specially selected for our courses.

Type of Bicycle: Cycle-Cross, Gravel and Cycle-Touring.

This set of tubes offers a good balance between quality and ease of work, which is why it is particularly recommended for making your first frames.

Includes Columbus Futura All Roads Fork

The tubes are long enough to cover sizes S, M and L.

All sets are susceptible of some degree of customization depending of the stock we have at the moment!

500.00€

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· Includes Columbus Futura All Roads Fork

· Columbus main tubes Oversize Zone 24CrMo4 alloy (UTS=9000MPa YS=800Mpa Ap5=12%)

· Upper tube round section 28.6mm Thickness 0.7-0.5-07mm Length 600mm

· Über Oversize Diagonal Tube round section 38.6mm 0.7-0.5-0.7mm Length 600mm

· External tapered seat tube round section 28.6mm 0.8-0.6-1.2mm Length 620mm

· CX curved rear chainstays. 16x30mm thickness 0.8-0.6mm Length 425mm

· Curved rear braces CX O.D. 16mm thickness 0.7mm Length 560mm

· Cylindrical steering tube O.D. 46mm thickness 1.1mm Length 200mm. Recommendation Columbus Mud Disc fork and Columbus Compass address.

· 68mm ISO thread bottom bracket axle.

· Vertical toe caps made of laser cutting with stainless steel reinforcement. Rear with disc brake coupling.

· Five clip cable guides, two derailleur sleeve stops with adjustable screw, a derailleur sleeve stop and bottom bracket cable guide.

· Blind supports for 2 x stainless steel bottle holders

. 14 Brass Rods 2mmm UTS 450MPa, Solidus 870 – Liquidus 890 Cº * (Recommended Borax LFB Flux Cycle Design – Red Cap)

· 1 Silver Rod 48% 1mm UTS 550Mpa, Solidus 640º – Liquidus 680ºC for bottle holder supports and toe reinforcements * (Borax recommended Stainless Light Flux Cycle Design – Blue Lid)

· Includes original Columbus Zona sticker.

· Laser cut, machined and brazed ETB ISO tested drop outs (we have different options!).