---
title: "Chain Guides & Derailleurs | Bike Chain Tension & Alignment Parts | BLB"
description: "Chain guides and derailleurs (or derailers if you're new) ensure the right tension and alignment of your chain. If you need a spare, we've got one."
url: "https://www.bricklanebikes.eu/components/chain-guides.html"
type: category
---
Chain guides and derailleurs (or derailers if you're new) ensure the right tension and alignment of your chain. If you need a spare, we've got one.

  Filters:

 - [ ![Paul Components Chain Keeper - Black](https://www.bricklanebikes.eu/media/catalog/product/cache/f67da2ccde89a05dcb468759530af9a9/0/0/0001214_0.jpeg "Paul Components Chain Keeper - Black") ](https://www.bricklanebikes.eu/paul-components-chain-keeper-black.html)
##  [ Paul Components Chain Keeper - Black ](https://www.bricklanebikes.eu/paul-components-chain-keeper-black.html "Paul Components Chain Keeper - Black")

       €103.82
- [ ![BLB Chain Tugs - Black](https://www.bricklanebikes.eu/media/catalog/product/cache/f67da2ccde89a05dcb468759530af9a9/0/0/0024861_0.jpeg "BLB Chain Tugs - Black") ](https://www.bricklanebikes.eu/blb-chain-tugs-black.html)
##  [ BLB Chain Tugs - Black ](https://www.bricklanebikes.eu/blb-chain-tugs-black.html "BLB Chain Tugs - Black")

     SKU: EXB3172

       €14.75
- Out of stock

     [ ![BLB Single Speed Chain Tensioner - Black](https://www.bricklanebikes.eu/media/catalog/product/cache/f67da2ccde89a05dcb468759530af9a9/0/0/0024866_0.jpeg "BLB Single Speed Chain Tensioner - Black") ](https://www.bricklanebikes.eu/blb-single-speed-chain-tensioner-black.html)
##  [ BLB Single Speed Chain Tensioner - Black ](https://www.bricklanebikes.eu/blb-single-speed-chain-tensioner-black.html "BLB Single Speed Chain Tensioner - Black")

     SKU: EXBB4222

       €21.24
- Out of stock

     [ ![Paul Components Melvin Chain Tensioner - Black](https://www.bricklanebikes.eu/media/catalog/product/cache/f67da2ccde89a05dcb468759530af9a9/0/0/0021184_0.jpeg "Paul Components Melvin Chain Tensioner - Black") ](https://www.bricklanebikes.eu/paul-components-melvin-chain-tensioner-black.html)
##  [ Paul Components Melvin Chain Tensioner - Black ](https://www.bricklanebikes.eu/paul-components-melvin-chain-tensioner-black.html "Paul Components Melvin Chain Tensioner - Black")

     SKU: EXPB0361

       €155.73
- Out of stock

     [ ![Paul Components Melvin Chain Tensioner - Silver](https://www.bricklanebikes.eu/media/catalog/product/cache/f67da2ccde89a05dcb468759530af9a9/0/0/0013737_0.jpeg "Paul Components Melvin Chain Tensioner - Silver") ](https://www.bricklanebikes.eu/paul-components-melvin-chain-tensioner-silver.html)
##  [ Paul Components Melvin Chain Tensioner - Silver ](https://www.bricklanebikes.eu/paul-components-melvin-chain-tensioner-silver.html "Paul Components Melvin Chain Tensioner - Silver")

     SKU: EXPS0362

       €155.73