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Brakes... Semi & Full Floating ???????

11K views 9 replies 6 participants last post by  ClevelandWheeler  
#1 ·
As you can tell, i really only have very basic knowledge on the mechanics of bikes. And yes, between this forum and countless others, i have learned a great deal... thank you.
My question is this, what is the difference between semi-floating and full-floating when people are talking about brakes and brake discs?

And what are your opinions on these? or should i just save up for some Braking, EBC, or Galfer?

http://cgi.ebay.com/ebaymotors/ws/e....dll?ViewItem&ih=015&sspagename=STRK:MEWA:IT&viewitem=&item=250141319192&rd=1,1
 
#4 ·
ooh brake rotor anatomy

ok first let's get the basics out of the way:
brake carrier: the portion of the brake rotor that bolts up to your wheel
buttons: these are the circular metal objects that connect the brake carrier to the brake rotor
rotor: this is the portion that the brake pad/caliper comes into contact with

semi floating refers to the rotors that come stock on our bikes because they are almost bolted down solid to the carrier

full floating rotors (i.e. brembo) are allowed to move freely left and right on the carrier. this reduces brake drag (contact between the rotor and the brake pad) when the brakes are not engaged and also maximizes rotor and brake pad contact when they are enaged.
 
#5 ·
Thumpy is correct. In Floating calipers the caliper is monuted on slide pins so they can slide left and right so if you have issues with runout on the rotor its less noticeable and non floating calipers do not move. Non Floating= lighter and usually made out of aluminum so it dissipates heat quicker so used in race applications, floating = street usage usually cast iron, heavy retains heat longer than aluminum etc.
 
#6 ·
Buy these and if you don't like them you can give them to me. :clap:
Image

Motowheels is very pleased to announce the introduction of the long awaited, ultra-advanced technology BrakeTech Ceramic Matrix Composite brake rotors for the Motorcycle Industry. Incorporating now de-classified Stealth Fighter Aircraft technology, this revolutionary material will change the way both top-level race teams and enthusiasts alike view their braking systems. Performance parameters in-total make all previous materials and systems dated by comparison, including the vaunted Carbon/carbon brakes. This new composite materials offers the best features of iron rotors with the incredible light-weight of carbon, and none of the Carbon/carbon foibles!



Performance features include:

Not thermally sensitive (will work great on the street)
Ultra board torque curve across a very wide thermal range
Much longer lasting than C/c
Much less expensive than C/c
Much higher tensile strength than C/c
Terrific feel and feedback at the lever
Strong braking performance? We mean, Really strong: +.6 mu average friction with special Ferodo Racing brake pads
Brake Weight Stats (YZF-R1, 2004):

Yamaha OE 320mm stainless: 3lbs 3.0oz at 4.5mm thick [1446grams]
BrakeTech 320mm Iron: 2lbs 15.1oz at 5.0mm thick [1335grams]
BrakeTech 320mm CMC: 1lb 1.2oz at 5.0mm thick [488grams]
Brake Weight Stats for 6mm thick Narrow-Band Superbike:

BrakeTech SBK 320mm CMC: 1lb 5.7oz at 6.0mm thick [615grams]
Of course braking performance at the extreme is paramount and the new CMC Racing series brake rotors deliver that in spades, but with the added dimension of a 65% weight reduction! Gyroscopic forces are dramatically reduced creating a whole new avenue to improve the handling and chassis-reactive dynamics that simply must be experienced.



BTCS.25 Fits 310mm 2005+ GSXR1000 (6mm thick)




Priced each









Your Price: $1,098.00 ea
 
#7 ·
thanks everyone for your info so far... so do you think i should get the rotors on the link or should i go for the $100 - $200 more galfers, ebc, braking rotors

oh yeah... mcqueen, i just ordered those, just give me your email and i'll make sure they come to you ASAP:funny: