Magura MT5 four-piston front brake improves brake power and modulation

Reid

Well-Known Member
https://www.amazon.com/gp/product/B00LO0G2QG/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

Was installed yesterday by self on Juiced Crosscurrent S, front only.

It was an easy installation. The kit can be used for either front or rear. I had to shorten the hose, of course, and instructions in the kit explain how to do that without requiring bleeding afterwards.

The increase in braking power is more than expected. Here is the great point: the modulation or controllable feel of the brake power is very much superior to the former Tektro HD-E350 brake. I could surely do an endo with the power of this brake, and to prevent that, have been practicing controlled, partial endos. But I won't endo this bike because the modulation is so consistently mild. You can feel everything through the Magura lever.

I had planned to also fit a 203mm rotor. Couldn't, though, because the fork can't take but a 180mm. Never mind. There is PLENTY of brake power to haul me down fast from 28mph. So, until the day comes when I upgrade to a better fork I will keep the 180mm disc. It works great with the Magura MT5

I will not upgrade the rear brake. In fact, I am going to downgrade it with a 160mm rotor tomorrow, to further equalize the usable brake without lockup that can be applied between front and rear wheels in a fast braking situation.
https://www.amazon.com/gp/product/B01MZXE8PJ/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1
 
Last edited:
https://www.amazon.com/gp/product/B00LO0G2QG/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

Was installed yesterday by self on Juiced Crosscurrent S, front only.

It was an easy installation. The kit can be used for either front or rear. I had to shorten the hose, of course, and instructions in the kit explain how to do that without requiring bleeding afterwards.

The increase in braking power is more than expected. Here is the great point: the modulation or controllable feel of the brake power is very much superior to the former Tektro HD-E350 brake. I could surely do an endo with the power of this brake, and to prevent that, have been practicing controlled, partial endos. But I won't endo this bike because the modulation is so consistently mild. You can feel everything through the Magura lever.

I had planned to also fit a 203mm rotor. Couldn't, though, because the fork can't take but a 180mm. Never mind. There is PLENTY of brake power to haul me down fast from 28mph. So, until the day comes when I upgrade to a better fork I will keep the 180mm disc. It works great with the Magura MT5

I will not upgrade the rear brake. In fact, I am going to downgrade it with a 160mm rotor tomorrow, to further equalize the usable brake without lockup that can be applied between front and rear wheels in a fast braking situation.
https://www.amazon.com/gp/product/B01MZXE8PJ/ref=oh_aui_detailpage_o03_s00?ie=UTF8&psc=1

Reid-Some nice proactive thinking here. So you are saying that 180mm in the front and 160mm in the rear make for a more efficient braking system than what you had as stock equipment? How so? Just curious...
 
Reid-Some nice proactive thinking here. So you are saying that 180mm in the front and 160mm in the rear make for a more efficient braking system than what you had as stock equipment? How so? Just curious...
Hi Bob, it's just that when stopping quickly from high speed nearly all the weight can transfer to the front wheel. This is made even more-so by the high center of gravity my body presents to the Juiced Bikes CCS (unless I scoot far back off the seat and sit on the luggage rack!)

The rear brake in a fast braking situation can do less and less good in fast braking because at that critical time the rear brake is most apt to lock the rear wheel, due to greatly reduced rear tire traction. Disproportionate brakes are not uncommon; it is a very old concept.
 
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Hi Bob, it's just that when stopping quickly from high speed nearly all the weight can transfer to the front wheel. This is made even more-so by the high center of gravity my body presents to the Juiced Bikes CCS (unless I scoot far back off the seat and sit on the luggage rack!)

The rear brake in a fast braking situation can do less and less good in fast braking because at that critical time the rear brake is most apt to lock the rear wheel, due to greatly reduced rear tire traction. Disproportionate brakes are not uncommon; it is a very old concept.

Okay great. I am now understanding the physics behind the concept of braking more here. Thanks very much for clarifying! Looks like a nice addition (downgrade) to your bike for the $.
 
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