full specs of your bike would help.
edit, he has single ply tires and xc tubes. which is around 900X2+200x2=2200g
dh tires and dh tubes- 1250x2+500x2=3500g the difference is 1.3kg/2.8lbs.. nearly 3lbs.
dont sweat it, i had a vpfree which weights the same as a socom and it was around 42-44lbs depending on what tubes i used. now i have supreme dh with is slightly heavier but some lighter parts here and there its at 39.6lbs
edit, he has single ply tires and xc tubes. which is around 900X2+200x2=2200g
dh tires and dh tubes- 1250x2+500x2=3500g the difference is 1.3kg/2.8lbs.. nearly 3lbs.
dont sweat it, i had a vpfree which weights the same as a socom and it was around 42-44lbs depending on what tubes i used. now i have supreme dh with is slightly heavier but some lighter parts here and there its at 39.6lbs