Приключения гравий велосипед плоский дисковый тормоз дизайн титановая дорожная велосипедная Рама 700 * 45c шина подходит размер


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Цена:750,00 $ - 800,00 $*
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Some Key information for bicycle frame, please check as below :
1. Reach (mm) 2. Stack ( mm)
3. Head angel ( degree ) 4. Head tube Length ( mm)
5. Seat tube angle ( degree) 6. Seat tube C-T ( mm)
7. Chain stays Length( mm) 8. BB drop ( mm)
9. Wheelbase ( mm) 10. Front center (mm)
11. Fork Length ( mm) 12. Trail, Fork offset ( mm)
13. Top tube C- T Effective ( mm) 14. Standover ( mm)






Size
S/T
angle
Fork length
Effective T/T length
Actual T/T length
H/T length
BB drop
H/T length
Chains stay length
Fork roke
16
75.5
463
546.8
543
70.5
29.7
115
425
38
17
73
463
577
552
71
29.7
120
425
38
18
73
463
589.6
564
71
29.7
120
425
38
19
73
463
591.8
573
71
29.7
125
425
38


Our titanium bike frame advantage:

(1) Titanium is extremely resistant to corrosion.This property has lead to titanium's usage as storage containers for caustic materials in the chemical industry.For you as a cyclist,this means that all the saltly roads,messy mud and stream crossing you ride over or through will not rust your bike ever.Titanium frames are lifetime frames

(2) The density of titanium is nearly twice that of aluminum,but only 56% that of steel.This means titanium can be as stiff as steel,but lighter than steel.Titanium has a high perfect stiffness-to-weight ratio

(3)Titanium's 20-30% elongation(elongation numbers of a metal tell us how much a material will bend before it breaks) beats out steel's 10-15% and aluminum's 6-12%.The lower the elongation number,the more brittle and breakable a material is.So,the same amount of titanium stretched out into a tube will less than amount of steel or aluminum.Carbon fiber does not stretch,it must be molded into form.

(4)Fatigue strength is another measurement taken into compare metals.Fatigue is the result of accumulated wear from repetitive cycles of force.Aluminum is notorious for having such a low fatigue strength that there is no threshold,no level of strain below which the metal will not fail.This means that the strian on a bike frame from each pedal stroke contributes to the frame's fatigue failure



Most titanium frames are made from 3Al/2.5V tubing (where titanium is alloyed with 3% aluminium and 2.5% vanadium) and 6Al/4V, a harder grade of titanium, is seen on much more expensive framesets. Because it’s hard and expensive to make 6Al/4V into seamless
tubes, it’s often used for machined parts like dropouts and head tubes.


1、lightweight
2、Support for custom
3、 Surface detail polishing


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