⚙️ Keep your ride tight and ahead of the pack!
The XLC CR-A03 Kettenspanner is a precision-engineered chain tensioner featuring an 18-tooth aluminium design with a secure braze-on mount. Ideal for single-speed hubs (16-20 teeth), it offers lightweight durability and year-round reliability, making it a must-have upgrade for serious cyclists seeking flawless chain tension and enhanced ride stability.
| Mounting type | Braze-On Mount |
| Number of teeth | 18 |
| Manufacturer | XLC |
| Global Trade Identification Number | 04032191731742 |
| Color | Black |
| Size | One Size |
| Item display length | 18.39 centimetres |
| Material type | Aluminium |
| Seasons | Year-round |
| Sport | Cycling |
| Included components | XLC Chain Tensioner |
| Batteries included? | No |
| Department | Unisex |
| Item model number | 2501106000 |
| Product Dimensions | 12 x 18.5 x 5.5 cm; 115 g |
| ASIN | B002NNEQOI |
E**M
Useful component but needed a bit of adjusting to get right chainline
Solid component that works well in tensioning the chain of a single speed (freewheel) bike. Using a flip-flop wheel in a traditional roadbike however doesn't leave much margin for error and careful adjustment is required as there is a limit on the outward position of the small sprocket arm. Equally adjusting in the other direction can clause the arm to snag the wheel spokes. All that said, if you take care and spend time on adjusting you can probably run a snag-free, straight chain line.
O**S
Did the job
Did the job and kept good tension on chain
M**E
Arrived promptly and in perfect condition. Good price.
I bought it to allow maintenance of chain tension on a hub geared bike without moving the hub in the dropouts. Seems to work pretty well. It is not ideal for this function because the lateral adjustment is at it’s absolute inmost limit. I think it’s designed to allow a multi sprocketed bike to be used as single speed. For my purposes it would be better if the main arm slanted inwards to naturally align the tensioning jockey wheel with the sprocket of the gear. Despite this I am very happy to use it on my bike and won’t change it unless I discover a better alternative.
L**Y
Fits hub motor bike
Very impressed. Managed to convert my eBike MTB.
A**C
Good value
Good value and works, what more can I say
A**R
Just what I needed
Easy to install and adjust no issues so far good price too
M**P
tensioner wheel
Good part in general but the tensional wheel loosens off and falls off when pedal
R**R
Robust, does the job.
Much more robust than the one it replaced...not very quiet in use but on the turbo that should be the least of your worries, besides, I'm usually wearing headphones.
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