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Bikerumor Monday Mystery Pic

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Photo submitted by Matty Bates, “Some brakes we found on a Trek. I’ve never seen anything like it.” If you think you know what this part is, post your answer in the ‘comments’ section.

To send in your own Mystery Pic to be considered for the Monday feature, click here and attach your photo with all pertinent information.

 

 

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22 Comments
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uglyyeti
uglyyeti
10 years ago

Paul Crosstop

SERAMIK
SERAMIK
10 years ago

SURE BUT FOR CANTI LEVERS;;;

floibex
floibex
10 years ago

first version of paul crosstop brake, aka crosstop I

Tim
Tim
10 years ago

Paul Crosstop. These brakes were more or less a copy of the IRD Widget Brake. The idea was that, at that time, everyone used cantilevers. With traditional cantilever brakes, the cable housing stops on the frame- and on full suspension bikes, the frame moves, which can activate the brake. So the guys at IRD made a brake whose cable stop is on the brake, allowing the suspension to move without putting on the brakes.
The Crosstop came in several versions- the one in the picture, the Crosstop 2, with a revised , lighter rocker arm, and circular holes drilled in it; the Crosstop 3, which had ti bolts, an even lighter rocker arm, and more complex rectangular holes cut out of it; the Crosstop MC, which was a Crosstop 3, but with stainless bolts and without the weight cutouts.
Another company used this same design; that brake was called the Strange Brake.
This design of brake worked extremely well when paired with the right brake levers. Set up right, it always had a reserve of power. It was a pain to set up, though. Never use them with V-Brake levers!
More weird brakes are at:
http://www.blackbirdsf.org/brake_obscura/mtb.html

Fatboy
Fatboy
10 years ago

Campy wheel activated seatpost dropper

Your Face
Your Face
10 years ago

Cheng Sing tire

WV Cycling
WV Cycling
10 years ago

I want one!

Tim
Tim
10 years ago

BTW- if you are setting this brake up, the power really comes on when the rocker arm is tucked way down. The deeper the rocker moves down, the stronger the brake gets.
You’ll get the best results with Shimano SLR Plus brake levers- they truly double both the power and the rim clearance of this brake.

Andy P
Andy P
10 years ago

I have to start waking up earlier on Monday’s to answer these.

Richard
Richard
10 years ago

Trek 9000 their first full suspension bike with rubber doughnut bumpers and an oil damper that leaked.

Charlie Best
Charlie Best
10 years ago

I think that is actually a Crosstop 3, the half-moon rotating widget was based off the IRD design.

Nakre Nakresson
Nakre Nakresson
10 years ago

I dont get the campy seatpost jokes and they are not funny anymore.

Ben
Ben
10 years ago

Custom wooden suspension bump stop.

Marc Basiliere
10 years ago

Those Trek shocks looked like a stack of those waxy chocolate-covered donuts from the high school cafeteria. And the bikes rode terribly.

marc

Jason P
Jason P
10 years ago

Paul Crossstop- I had these on my old hardtail racebike in the 1990’s. I sold them about a year ago. Great brakes for the time.

Jimmie
Jimmie
10 years ago

I bought one of those back with full XTR for $999.99………….and promptly returned it 24 later. To this day, it is one of the worst full suspension bikes that I have ever ridden. It turned the bike into a pogo stick. Bunny hopping turned into catapulting!

mtb4life
mtb4life
10 years ago

A Trek

Bob
Bob
10 years ago

I love the mystery pics every week but I have got to ask, does anyone know the origins of the campy seat post…etc jokes? They are getting pretty old and It just occurred to me to ask how it all got started anyone know?

notmikeb
notmikeb
10 years ago

Do you not get the jokes or are they not funny anymore? Pick one, can’t be both. If you don’t get them then they were NEVER funny to you. If they’re not funny ANYMORE then at some point in the past you got them and thought they were funny.

jenbe
jenbe
10 years ago

ITS CLEARLY A CAMMPY SEAT POST

RobM
RobM
10 years ago

Gotta wonder about a “mechanic” who hasn’t “ever seen anything like this” – from the 90s. Not like this is a Campagnolo Euclid dropper post or something.

80
80
10 years ago

@RobM – Brilliant. A *good* Campy dropper post joke never gets old.

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