| Article number: | QCTADR |
| Availability: | In stock |
The chain tensioner is an essential part on all Bromptons because it keeps the chain taut both when it's being ridden and when it's folded. On 2-speed and 6-speed models, however, it's necessary for shifting into either of the two cogs which drive the internal gear hub. Instructions are included with the parts, and they're available here.