Genuine Brompton replacement Chainring bolts are suitable for the Brompton Spider crank, which has the replaceable chainring fitted to all new Brompton bikes since 2013.
These bolts that come stock with your Brompton can round off and rust over time and are worth replacing if needed. Supplied in packs of five, this set includes five inner bolts and five outer bolts which use a 5mm Allen key for installation.
- Brompton Chainring Bolts
- Genuine Brompton replacement part
- Only suitable for the Brompton spider crank with replaceable chainring
- Sold in packs of five (four standard two-piece, one long one-piece)
Brompton is the only company we've seen that answers all three criteria - and believe us, we've tried every brand out there. The reason others can't compete is because Brompton has answered a fundamental engineering problem. If a bike is going to unfold to a large footprint (which takes the twitch out) then it is unfolding to a bigger bike - and by all logic, a bigger bike unfolded would be a bigger bike folded. So, it's pretty much true that for most folding bikes they either have great rideability but poor transportability or vice versa. And nearly all of them are a mess to fold.
Not Brompton. Brompton has designed the Platonic form of all folding bikes. The bike folds to the smallest size on the market, unfolds in a highly precise and easy manner, and has the same axle-to-axle footprint as a hybrid bike. How did they do this? By not only designing a clever frame, but also designing some 1200 proprietary parts that make everything fit - and fit perfectly. Oh, and nearly all of this is made in England. No wonder this bike has a cult following.
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