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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 09-08-10, 05:54 PM   #1
Germanicus
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Has anyone here tried these brakes?

TRP CX-9
Tianium cross brakes.

I have been looking for an upgrade to my Tektros because of front brake judder on my Tricross and ran across these. Does aybody know about them?
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Old 09-08-10, 06:24 PM   #2
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No, but I'm currently trying to get the Tektro Mini-V (RX-5) dialed in on my bike. The rear felt fine right off the bat, but the fronts? hmm...I'm not so sure yet.

I'd like to hear more about those TRP's!
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Old 09-08-10, 06:35 PM   #3
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Quote:
Originally Posted by pacificaslim View Post
I'd like to hear more about those TRP's!
Sure thing pacificaslim!
From the website:

Not everyone is a racer nor should every ride be a race. Cross bikes are the embodiment of cycling soul - able to venture over nearly all types of terrain swiftly and smoothly. The CX9ís linear pull design is compatible with most lever types and provides huge amounts of stopping power when the grades get steep or when your bike is loaded with enough gear to get you to the next continent. The super-low profile design also means panniers and racks do not interfere. Rely on CX9ís to stop you when you get there.

∑ Linear pull brake
∑ Unique forged technology
∑ TT6 forged and CNC aluminum arms
∑ TRP road size cartridge brake pads
∑ Titanium hardware
∑ Arm length: 95mm
∑ Color: Red or Black
∑ Weight: 148g / wheel


That's all I know about them. I think they are new because there are very few mentions on the internet and no reviews (that I could find.) But was hoping somebody here might know.
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Old 09-08-10, 07:13 PM   #4
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Mini-Vs allegedly work fine on the road, but I wouldn't use them for cross without a travel agent, because a road lever doesn't pull enough cable.
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Old 09-08-10, 07:22 PM   #5
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Doesn't pull enough cable for...what? The whole idea of the "mini" is that it doesn't require as much cable pull as a longer armed v-brake and therefore can be used without a travel agent. At least that's the theory everyone is operating off of. The Tektro mini-V I'm using, the RX-5 (discontinued?) has about an 85mm arm.

I have set my pads up quite close to the rim but since I have campy levers, I can always just release the lever more to give more brake clearance in case of mud, and have the same brake performance.
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Old 09-08-10, 07:46 PM   #6
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Compare the 9.5cm length with regular V brakes, the fact that they are shorter is part of the deal ,
more leverage means the end of the lever has to move further., more cable pull ,

Brifters and short arm 'L' type cantilevers have been what has worked for many years,
were even better with lower leverage cable out the top levers on the bars.

but the cable hanger for the housing is an issue, some really light forks bend, and ring with the pad squeel feedback.

cable tension goes up and lower as the fork moves. the fork crown attached housing supports shorten that ..
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Old 09-08-10, 08:26 PM   #7
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Normal linear pulls with a travel agent works just fine for me. For the life of me, I don't understand why 'crossers insist on running canti's. The situations where a canti are better than a linear pull are so few that they might as well not exist. How long has it been since canti's were used on the pro MTB scene?

All in all, I'm glad discs are legal now. It's going to make all these band-aids a moot point.
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Old 09-08-10, 08:43 PM   #8
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I have a cyclocross bike but I don't do racing. I use 90% on the road and maybe 10% carraige trails and mild single track but I almost never ride in the rain and NEVER in the mud so clearance is not really an issue. My current cheapo Tektro V-brakes are OK (not sure if they are mini-V or standard V-brakes) but the front fork will squeal and judder under hard braking.

Plus these look cool.
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