MAIN TUBE: Ovalized 4130 Steel Tandem Bottom Tube

tctubes-tandem-main-tube-oval-steel (1).jpg
tctubes-tandem-main-tube-oval-steel (1).jpg

MAIN TUBE: Ovalized 4130 Steel Tandem Bottom Tube

62.00
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4130 aircraft grade seamless cromoly tubing.

Ideal for tandem boom/bottom tubes in the perfect dimension for attaching to 68mm wide BSA English and 66mm wide Eccentric bottom bracket shells or any other use including heavy-duty mountain bikes.

Light, strong and extra stiff.

US made and ovalized in house.

Custom lengths/sizes available.

  • LENGTH: 762mm (30in)

  • MATERIAL: 1.750 x .035 seamless 4130 steel

  • DIMENSION: oval is approx. 52mm width x 36mm height

  • WEIGHT: 737g at full length