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Submitted by
fouture
a Cross Country Rider
from Leuven, Flanders, Belgium
Date Reviewed: August 7, 2008 | | Favorite Trail: | www.mtb.be | | Duration Product Used: | 2 Years | | Purchased At: | Probike Tervuren | | Strengths: | It still functions well, even though it took some damage hitting rocks. | | Weaknesses: | Difficult to clean in muddy conditions.
Once the drive train is dirty, backpedalling even a little bit (as happens when you mount the bike again after a stop) derails the chain nearly every time. | | Bike Setup: | Cannondale Prophet fully with Rohloff Speedhub | | Bottom Line: | I couldn't find the reason why the chain would derail when backpedalling in muddy conditions (over twenty times over 92 km off road), and neither could the shop. It seems the chain tensioner simply exerts too much resistance.
The shop ordered a different chain tensioner. Wait and see. | Value Rating: Overall Rating: |
Submitted by
Alec Gold
a Cross Country Rider
from Netherlands
Date Reviewed: March 6, 2008 | | Duration Product Used: | 3 months | | Price Paid: |
$65.00 | | Purchased At: | importer | | Strengths: | This is one nice build tensioner with strong aluminium build-up, large amount of compensating (12 links) for a small size and well, it works just like that. | | Weaknesses: | A bit to long for my taste/use, might have been even shorter, but an one wheel tensioner might not do the job perhaps. A bit pitty that the jockey's are plastic Tacx, a nice aluminium one would have been cool ;) | | Bike Setup: | recumbent bike with rohloff speedhub | | Bottom Line: | Does the job and does do it well. As most products from Rohloff they are not cheap, but it is well build stuff.
Some time ago they replaced the spring with another version (longer contra-arm), you can update a older one if I got it right. | Value Rating: Overall Rating: |
Submitted by
Ed
a Weekend Warrior
from Lumberton, NJ, USA
Date Reviewed: December 11, 2004 | | Favorite Trail: | Mercer County / NYC streets | | Duration Product Used: | 6 months | | Price Paid: |
$20.00 | | Purchased At: | LBS | | Strengths: | Strong tension, low maintenance | | Weaknesses: | none yet | | Similar Products Used: | surly singleator | | Bike Setup: | Marin FS Rocksprings
Azonic Stem and Bars
Avid Mechanical Discs
SS
Race Face Cranks and Ring,
Race Face Bashguard | | Bottom Line: | So Far SO good. Chain popped loose on a few occasions, but these were at least 5-6 foot drops. Lots of stairs, Dirtjumping, Drops and this thing holds up. Low maintenance and fairly cheap price makes this a must but for SSers using a full suspension. | | Value Rating:Overall Rating: |
Submitted by
næstep
a Cross Country Rider
from SF Bay Area, CA
Date Reviewed: October 19, 2003 | | Duration Product Used: | 2 Years | | Strengths: | Maintains strong chain tension.
Easy to align using included shims.
Quick and simple to release tension using Rohloff's new spring.
Really, no complaints.
_ | | Weaknesses: | Designed to hang off derailleur tab; still susceptable to bending.
T-20 torx screws necessitates one more tool to have around.
_
| | Bike Setup: | One on 5" Iron Horse Hollowpoint,
One on 4" single pivot Marin Mount Vision.
_ | | Bottom Line: | These both came with Speedhubs, so consider the price of these either as free, or as really, really expensive.
Both came with the stock tension spring. The stock spring is a tightly wound coil with two 90° barbs that protrude from each end, much like a return spring on a V-brake.
Never had a problem with mine, but have heard from a few riders (including the review below mine) that the spring can snap at the bend.
Looks like Rohloff paid attention and redesigned the spring to eliminate the weak bends. Bonus, it retrofits to the old tensioners. Extra bonus, the kit is cheap — just a couple of bucks. Super extra bonus, the spring can be quickly disconnected from the lower pulley to release tension for easy wheel removal & installation.
I picked up two just because they were inexpensive and they've been working flawlessly for the past few months.
Should be a great tensioner for non-Speedhub applications such as singlespeed conversions and for use with Sram Spectro and Shimano Nexus hub conversions (non-coaster brake) on frames with vertical dropouts.
Here are links to pics with the new spring installed, but you'll have to cut and paste the URL into your browser:
http://gallery.consumerreview.com/webcrossing/images/shtensioner(1).jpg
http://gallery.consumerreview.com/webcrossing/images/shtensioner(2).jpg
_ | | Value Rating:Overall Rating: |
Submitted by
Richard St.John
a Cross Country Rider
from Branchville, NJ USA
Date Reviewed: October 4, 2003 | | Favorite Trail: | Sovereign | | Duration Product Used: | 2 Years | | Price Paid: |
$60.00 | | Purchased At: | LBS | | Strengths: | Simple to install. Good looking. | | Weaknesses: | Binds up with a minor amount of dirt or sand. The tension spring breaks after several months of use. Both problems leave you with a slack chain. Rohloff says the spring does have a tendency to break. They couldn't offer any solutions. | | Similar Products Used: | Paul Components Melvin chain tensioner. So far this one has performed well. Both are expensive for what you get. They must both be small run components to demand the high price. | | Bike Setup: | Santa Cruz Superlight with a Rohloff Speedhub. | | Bottom Line: | Don't use this chain tensioner unless you ride in clean conditions. Keep a spare spring handy. You may need to change it on a ride. It is not a quick repair. My LBS charged $10 per spring. Rohloff said it should only cost a doller. | | Value Rating:Overall Rating: |
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