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Genuine Brompton Left Hand Crank Arm. This crank arm is suitable for the modern Brompton Spider Crank which has the replaceable chainring.
The left hand crank arm (non-drive side) has a built in tab on the back of the crank to prevent the pedal hitting and scratching the frame when folded. If your crank arm continually comes loose then chances are the square taper has been damaged and you need to replace the arm.
- Genuine Brompton replacement part
- Left-Hand Crank Arm (non-drive side)
- Suitable for the 2013 onwards Spider crank
- Crank length: 170mm
- Bottom bracket fitting: JIS Square Taper
- Pedal fitting: 9/16″
- Available in Black or Silver
FREE SHIPPING ON ALL PARTS & ACCESSORIES ORDERS OVER $150*
Canada: We use UPS, Purolator, Canpar or Canada Post within Canada. All applicable Provincial Taxes are charged at checkout. Orders may take 1-2 business days to process. A tracking number will be provided by email.
USA: We use UPS, UPS Mail Innovations, or Canada Post/USPS in the USA. No US or Canadian Tax is charged at checkout and all cross-border Fees and Duties are prepaid so there are no surprises. Orders may take 1-2 business days to process. A tracking number will be provided by email.
*Does not apply to oversize items.
A BIT ABOUT BROMPTON: If you were to walk into the store and look at a Brompton we would say there are three things you should look for in a folding bike. All of them are fairly obvious. One, the bike should ride well – and, on a small wheeled bike that’s tricky because there’s a fine line between maneuverability (which is a virtue) and twitchiness (which is a vice). Two, the bike should fold well – otherwise you’re blood pressure will rise and you’ll curse the day you bought it. Third, it should be transportable, or highly storable – because that’s the whole point, right?
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 rideabilty 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.
THINKING OF BUYING AN BROMPTON? READ OUR BLOG POST WHY BROMPTON?