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  4. Brompton Chain Tensioners

Brompton Chain Tensioners

The Brompton chain tensioner keeps the chain taught (so that the chain doesn't fall off of the bike when folding and unfolding). The chain tensioner on two and 6 speed Brompton folding bikes also acts as a derailleur

The 4-speed and 12-speed Brompton uses a new advance chain tensioner
[QCTADR] Brompton chain tensioner assembly for bikes with a derailleur - QCTADR 2984.webp

Brompton chain tensioner assembly for bikes with a derailleur - QCTADR

£ 33.00
[QCTA] Brompton chain tensioner assembly for bikes WITHOUT a derailleur

Brompton chain tensioner assembly for bikes WITHOUT a derailleur

£ 20.00
[QCTIDL] Brompton standard chain tensioner idler (jockey wheel) set (pair)

Brompton standard chain tensioner idler (jockey wheel) set (pair)

£ 6.00
[QCTIDLDRSET] Brompton derailleur chain tensioner idler set 5954.webp Popular

Brompton derailleur chain tensioner idler set

£ 18.00
[QCTD] Brompton chain tensioner disc for non DR - QCTD - Black

Brompton chain tensioner disc for non DR - QCTD - Black

£ 2.00
[Q102710] Brompton Advance Single Speed Chain Tensioner

Brompton Advance Single Speed Chain Tensioner

£ 49.00
[Q102995] Brompton Advance Derailleur

Brompton Advance Derailleur

£ 30.00
[Q103656] Brompton Advance Derailleur Chain Tensioner

Brompton Advance Derailleur Chain Tensioner

£ 40.00