Eldron Posted September 4, 2014 Posted September 4, 2014 A 29er wheel travels further in distance with each rotation of the wheel than a 26er. Therefore a bigger rotor is needed to achieve the same braking force at the same speed.Simple really. I hope you have sarcasm font on cos your science font is broken. rouxtjie, GLuvsMtb, droo and 3 others 6
rouxtjie Posted September 4, 2014 Posted September 4, 2014 I hope you have sarcasm font on cos your science font is broken.kekekekeke
rouxtjie Posted September 4, 2014 Posted September 4, 2014 (edited) A 29er wheel travels further in distance with each rotation of the wheel than a 26er. Therefore a bigger rotor is needed to achieve the same braking force at the same speed.Simple really.Does 1kg feathers weigh less than 1kg lead? Edited September 4, 2014 by rouxtjie Captain Fastbastard Mayhem 1
Wannabe Posted September 4, 2014 Posted September 4, 2014 Does 1kg feathers weigh less than 1kg lead? No, but they fall slower.
NINER_boy Posted September 4, 2014 Posted September 4, 2014 http://www.bikeradar.com/mtb/gear/article/trail-tech-disc-brake-rotor-size-37050/
Eldron Posted September 4, 2014 Posted September 4, 2014 Does 1kg feathers weigh less than 1kg lead? Actually he might be onto something - with one small correction... At the same speed the 29er wheel will be turning slower so 29ers need SMALLER brake rotors! rouxtjie, Wannabe and Headshot 3
rouxtjie Posted September 4, 2014 Posted September 4, 2014 No, but they fall slower. you gots me. Wannabe 1
DJ84 Posted September 4, 2014 Posted September 4, 2014 Your physics is flawed.It is force that needs to be slowed down. All things equal, all things will be equal no matter the wheel size.velocity does not get changed by wheel size. So please show me how this applies in a practical manner.
Eldron Posted September 4, 2014 Posted September 4, 2014 http://www.bikeradar...tor-size-37050/ Wheel size and rotor diameter are related. In general, a 180mm front and 160mm rear rotor will provide you with ample braking power for a 29er hardtail. But there are several other factors to consider as well. The chaps at bikeradar need to go back to university!
jcza Posted September 4, 2014 Posted September 4, 2014 Friday topic - come back tomorrow please ChUkKy and jules1976 2
rouxtjie Posted September 4, 2014 Posted September 4, 2014 Wheel size and rotor diameter are related. In general, a 180mm front and 160mm rear rotor will provide you with ample braking power for a 29er hardtail. But there are several other factors to consider as well. The chaps at bikeradar need to go back to university!what about these...jis they must brake like a baws http://www.chainreactioncycles.com/us/en/dirty-dog-skull-rotor/rp-prod25147
MarcBurger Posted September 4, 2014 Posted September 4, 2014 /resisting the urge to go all sciencey... 180 rotors, check pads/change pad type (lightly sand down with fine paper if they are full of junk), bleed as last resort.SLX brakes should be able to stop you with plenty strength left.
Eldron Posted September 4, 2014 Posted September 4, 2014 what about these...jis they must brake like a baws http://www.chainreac...or/rp-prod25147 Damn! Those are pretty sweet! I wonder if uber cool beats ICE TEC? rouxtjie 1
GhostSixFour Posted September 4, 2014 Posted September 4, 2014 Damn! Those are pretty sweet! I wonder if uber cool beats ICE TEC? Uber cool means it stays cooler than ICE TEC, so of course it beats it in performance. Simple science really.
RockCoach Posted September 4, 2014 Posted September 4, 2014 The answer is momentum. Takes more energy to accelerate thus more energy to stop. However, that is not going to affect the OPs problem with brakes not biting. rouxtjie 1
rouxtjie Posted September 4, 2014 Posted September 4, 2014 (edited) Uber cool means it stays cooler than ICE TEC, so of course it beats it in performance. Simple science really.And what is cooler than skulls on your rotors....dragons pappie http://www.amazon.com/DirtyDog-Dragon-rotor-6-bolt-160mm/dp/B001CK2O3S Edited September 4, 2014 by rouxtjie
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