Bicycle Division

MJ-3550
MATERIAL: Double-butted 7050 T73 alloy
BAR BORE: 31.8mm (2.4 / 1.4)
RISE: 25mm
WIDTH (C to C): 720 - 800mm
BACKSWEEP / UPSWEEP: 5˚ / 8˚
WEIGHT: 300g
Spiral-Butted Tubing

Game-changing tube extrusion technology applied to all MJ Cycle’s aluminium handlebars: more durable, more strength, less weight.

Traditional butting involves a cumbersome 3-step process that does not maximize the potential of aluminum and resulting in compromises. Spiral-butting allows a more dense or compact packing of aluminum material within the tube structure. The result is a significant gain of strength and durability with less weight.

Only MJ Cycle utilizes leading-edge spiral butting technology on handlebars.

Material Test Report: Grain Size Analysis of Outside Wall

Material Test Report: Grain Size Analysis of Inside Wall

Process Comparison: Butted Handlebar Production