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original TRP DH7 Derailleur gold
TRP DH7 Rear Derailleur
Vital Review

TRP Enters the Drivetrain Market: DH7 First Ride and Feature Overview (Product Review)

Overall Review
Over the past four years, TRP has been researching, prepping, prototyping, and testing a new drivetrain. You've no doubt seen it in use at the World Cup level, beginning with fast man Aaron Gwin and his mechanic, John Hall, both of whom had considerable influence on the final design and features. Today the DH7 downhill derailleur and shifter move past the race-driven development phase and officially launch to the public. TRP DH7 Highlights 7-speed system on 11-speed spacing Designed for downhill bikes Hall Lock - Locks main pivot bolt to prevent derailleur from lifting, slapping, and making...
Posted by bturman on 9/3/2019 6:59pm
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TRP
Eurobike
Rear Derailleurs
First Ride
First Look
Aaron Gwin
John Hall
Shifters
original BX DR160RR11.02.jpg?VersionId=XtcAu42idrqVwpXWvB53A
Box One 11-Speed Rear Derailleur

Long-Term Review Box One 11 speed Rear dérailleur (Product Review)

The Good

It’s easier to clean the jockey wheels than on Shimano rear derailleurs, due to the more open design, the jockey wheels are more exposed & the lower is bigger. The cage swings very smoothly You can fully take it apart, as the swing arms have E clips, so removing them is easy with a screwdriver, So...

The Bad

The spring tension is too high. The Clutch is not adjustable, so when it wears you can't regain hte same performance, But the new version has adjustable clutch.

Overall Review
Going from Xt m8000 with uncut 116 link Kmc x11 Sl silver chain, I had to add 5 links, due to the bigger tension pulley, but with 34T Oval I could use stock chain length. But if I were to use 32T or smaller I don’t Think it would be an issue, but I haven’t tested this. Unlike the other current options, Box One has bushings, which is great, bushings can be replaced, which is very easy to do, the rear derailleur can be fully assembled, the only thing you need is a screwdriver to remove the E clips. I wish all Rear derailleurs fully serviceable. But the Top pulley is also more exposed, and easier...
Posted by mtbboy1993 on 6/10/2019 12:59pm
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Rear Derailleurs
Tested
Box