About frame stiffness – what is stiff?

During the many discussions with several frame stiffness testing centers and providers my understanding that frame stiffness tests are largely done in a somewhat inexact manner, mostly lacking any statistical validity, was reconfirmed. A quote from one engineering lab in particular sums up the situation nicely: “And, to be perfectly honest, the bicycle industry has […]

Velocite Flux Alloy 26, 27.5 and 29er XC frames – why are they the best?

  Specifications Material: shot peened, two-pass welded 7005-T6 aluminium alloy. Cold worked triple-butted tubes Head tube: tapered 1 1/8″ – 1.5″ Bottom bracket: PF30 EN Tested Geometry XS S M L XL Wheel size 26″ 26″ 27.5″ (650B) 29″ 29″ SA 73° 74° 73° 73.5° 73.5° HA 71° 70.5° 71° 71° 71° ST 380mm 440mm […]