1500 - 1600g is going to be the average weight for a cheap alu frame. That is why is will always be expensive to get to 6.5kg. Average weight of mid range components are around the following and that gives you 6.7kg. Going lighter on any of the below gets expensive.
Frame 1.5
Fork 0.5
Wheels 1.8
Cranks/bb 0.8
Bar/stem 0.5
Seat/post 0.4
Chain 0.3
Pedals 0.3
Tyres/tub 0.6
1500 - 1600g is going to be the average weight for a cheap alu frame. That is why is will always be expensive to get to 6.5kg. Average weight of mid range components are around the following and that gives you 6.7kg. Going lighter on any of the below gets expensive.
Frame 1.5
Fork 0.5
Wheels 1.8
Cranks/bb 0.8
Bar/stem 0.5
Seat/post 0.4
Chain 0.3
Pedals 0.3
Tyres/tub 0.6