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Hayes Dominion Carbon Titanium T4 T2 Hydraulic Mountain Bike brakes - $239 (South Mountain)
part type:
brakes
condition:
new
make / manufacturer:
Hayes
model name / number:
Dominion
size / dimensions:
T4-T2
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NEW
T2 set F-R $239ea side
T4 F and T2 R staggered set, $269ea side
T4 set F-R, $289ea side
USED
Staggered Set, $259 each side or $475 for both. Barely used.
The refined version of the revered Hayes Dominion A-series. the T-series performance aspect of these is every bit as impressive as the A-series since the hydraulics are identical, these are just lighter.
I have learned that the best brakeset for me are the ones that have the fewest things to not like about them. Good brakes never bring attention to themselves. When they are right, we don't notice them, it is only when they are inconsistent, or scare us do we take notice. Here is a list that shows how these brakes in the top 5 industry wide, and top 2 for me. I have used no less than 10-12 different brake technologies in the last 20 years, along with 10-20 different pad technologies.
1. The big one, hand fatigue and arm pump. The ball bearing lever pivot, light return spring and teflon glide ring master piston makes these handles the easiest to actuate, less than 6 oz finger force to bite point. Most brakes, like Code RSC, are closer to 20oz, and others are higher than this, up to 2.5 lb for the Maven. This light touch is a characteristic of these brakes that the user will not be conscious of UNTIL you try brakes that are not designed for single finger freedom. All force goes into braking, not overcoming inneficiency. The result is less hand, finger and arm fatigue.
2. CARBON FIBER brake lever shaped by Reynolds an ergonomic improvement over most designs. Bare handed riders never experience a cold lever.
3. Titanium hardware.
4. Highly machined for lowest total weight, 253g for T2 handle hose and caliper.
5. K2 Brake hose is well known as the stiffest, especially important for the rear brake with longer run to avoid squishy lever feel due to ballooning.
6. Highest hydraulic leverage, 20% higher than shimano.
7. The surface area of the T4 brake pad is 24% greater than 4-piston shimano. The T2 pad has only 7% less area than shimano 4-piston. The T2 directly compares to 4-piston power, but with improved feel.
8. Modulation best described as aggressively linear, unlike Sram, which are either binary (rsc) or unaggressive (r)
9. No moving bite point.
10. Ratings show lowest maintenance, highest reliability, in class.
11. The only brakes with crosshair caliper alignment screws, which adds sanity to the task of pad-rotor spacing.
12. Highest power to weight ratio among all braking systems, except trickstuff.
13. 2 caliper bleed ports, easier to remove a caliper bubble.
14. Can be gravity bled using a shimano funnel.
15. T2 pads are TOP LOADING. This is a huge convenience, no removing the wheel to adjust or replace pads.
T4 front, T2 rear for better braking balance. Perfect used condition, as new, still on size large bike to test.
Most people will be happy with T2 Front and Rear, or T4 front only with T2 rear. This will provide the best proportioned (balanced) enduro brakeset, remembering that the front tire can handle 2-3 times the traction and braking of the rear tire during DH runs. This is also how motorcycles and cars are designed. Putting a T4 on the rear is just overkill in most cases and loss of traction control is often the result. Note the recommendation for different pads on the rear, this is because the semi-metallic pads have a lower friction coefficient and are more modulating. Again, for better F-R balance.
Whatever your preference, these brakes are best for any lightweight build where peak performance and modulation is required with the lowest finger force.
I-10 and Chandler Blvd
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