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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  profile titanium axles and flush bolts
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Author Topic: profile titanium axles and flush bolts  (Read 2642 times)

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bmxbert

  • Guest
profile titanium axles and flush bolts
« on: April 01, 2009, 10:59 PM »
does anybody think that there is a great difference in the way the ti axle and flush bolts on a profile crank are compared to a hollow cromo axle?

is the weight loss that big its worth all that cash???

buzzlightyear05

  • Guest
Re: profile titanium axles and flush bolts
« Reply #1 on: April 01, 2009, 11:07 PM »
ride in 3/4's rather than jeans and keep your £50+ in your pocket youll save more weight and cash lol.

bmxbert

  • Guest
Re: profile titanium axles and flush bolts
« Reply #2 on: April 01, 2009, 11:25 PM »
thats what i thought. lol
what about the hollow cromo axles are they any good? i know there a lot cheaper

anybody had probs with them snaping ?

buzzlightyear05

  • Guest
Re: profile titanium axles and flush bolts
« Reply #3 on: April 01, 2009, 11:33 PM »
Ive run hollow cromo's on every cranks ive had with no problems but have just changed to a Ti one as i got one for a tenner. I cant tell the differance  ???

bmxbert

  • Guest
Re: profile titanium axles and flush bolts
« Reply #4 on: April 01, 2009, 11:39 PM »
thanks for the info buzz

hollow it is then. think i'll get ti bolts just for the fact they stay looking nice. :daumenhoch:

Bettyswallocks

  • Guest
Re: profile titanium axles and flush bolts
« Reply #5 on: April 01, 2009, 11:58 PM »
WHS^^^

Dont bother Bert, the weight differance aint worth it

You could save more weight changing to lightweight tyres, rotating mass and all that, you'd feel the differance, ti axle in yer cranks would save a few ounces but doubt you'd be able to notice it when riding

That my 2 bobs worth...  :daumenhoch:

moley

  • Guest
Re: profile titanium axles and flush bolts
« Reply #6 on: April 02, 2009, 12:29 AM »
GT 4130 Profiles & Accessories (Weight Comparison)






            Part                          Length     Material      Weight
Drive Arm180mmCro-Moly297g
Non-Drive Arm180mmCro-Moly289g
Drive Arm175mmCro-Moly290g
Non-Drive Arm175mmCro-Moly283g
19mm 48 Spline Spindle146mmCro-Moly286g
19mm 48 Spline Spindle146mmTitanium163g
19mm 48 Spline Spindle140mmTitanium133g
Sealed Bearing & Cup     -      -  97g
Hop-up Kit (Drive)     -Aluminium   8g
Hop-up Kit (Non-Drive)     -Aluminium  14g
Crank Arm Bolt25.0mm      ?  22g
Crank Arm Bolt (Long)37.6mm      ?  16g
Crank Arm Bolt Washer          ?      ?   4g
Crank Arm Flush Bolt25.0mm      ?  16g
Crank Arm Flush Bolt25.4mmTitanium   9g
Crank Arm Flush Washer     ?Aluminium   2g
Spindle BB Cup Spacer52.0mm      ?  33g
Chainwheel Bolt18.0mm      ?  11g
Chainwheel Bolt18.0mmTitanium   6g

If I use the shortest Ti Spindle, Ti Flush Crank bolts and Ti Chainwheel Bolts, Flush kit, Hop Up kit and 180mm Arms it weighs 997g
If I use the Normal Spindle, Flush Crank bolts and Chainwheel Bolts, Flush kit, Hop Up kit and 180mm Arms it weighs 1175g

Ti versus Cro-Moly saves nearly 180g for this Crank Set (excludes Chainwheel and additional Aluminium washers and pedals)

This Ti Setup is 15.2% lighter!!
« Last Edit: April 02, 2009, 12:48 PM by moley »

bmxbert

  • Guest
Re: profile titanium axles and flush bolts
« Reply #7 on: April 02, 2009, 11:32 AM »
wow ur a busy boy! cheers for the info

moley

  • Guest
Re: profile titanium axles and flush bolts
« Reply #8 on: April 02, 2009, 12:51 PM »
I just found the original Thread that I posted this info on last October!!

I've copied over the rest of the info so you now have all the parts/weights listed as well as the pictures!!  :daumenhoch:

Offline MartyC

  • Berm Worm
  • ***********
  • Posts: 8755
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Re: profile titanium axles and flush bolts
« Reply #9 on: April 02, 2009, 03:19 PM »
You could take a crap before you ride and save more weight without the expense  :LolLolLolLol:


Better to crash and burn than fade away

Bettyswallocks

  • Guest
Re: profile titanium axles and flush bolts
« Reply #10 on: April 02, 2009, 04:00 PM »
You could take a crap before you ride and save more weight without the expense  :LolLolLolLol:

Now thats true...  :LolLolLolLol:

Take yer phone and change out yer pockets n all, oh and eat less pies...  :D

moley

  • Guest
Re: profile titanium axles and flush bolts
« Reply #11 on: April 02, 2009, 04:07 PM »
Yep!!

The Ti Axle is lighter but it wont affect the rotational mass much!!

Lighter Tires, inner tubes, wheels will get you the most gain!!

Plus shifting a few pound of lard from ya ass will help too!!  :LolLolLolLol:

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  profile titanium axles and flush bolts
 

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