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Rotor InPower 3D+ Left Arm Power Meter £412.50 Delivered @ Chainreactioncycles
Rotor InPower 3D+ Left Arm Power Meter £412.50 Delivered @ Chainreactioncycles

Rotor InPower 3D+ Left Arm Power Meter £412.50 Delivered @ Chainreactioncycles

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172.5mm arm went out of stock in the past hour, sorry, should have posted sooner.

170mm and 175mm left. Also compatible with 3D30 crankset if you're on that. Probably stick it on the Flow too.

Usually around £550. Nearly punted myself, but decided to hold out for a complete Flow deal.

7 Comments

don't know why power meters are so expensive, would love one myself just can justify the cost.

Why would you need one of these. Not a criticism, just wondering why you would need to know how much pedal pressure you are exerting. Is it like having a fitbit for your bike?

whats does this do for price

Voucher Boy

Why would you need one of these. Not a criticism, just wondering why you … Why would you need one of these. Not a criticism, just wondering why you would need to know how much pedal pressure you are exerting. Is it like having a fitbit for your bike?


It can help in training and whilst racing, on a long event (a 6 hour Ironman leg for example) it can be used to pace yourself and not overdo it. A cheaper way is just to use a heart rate monitor but in long events cardiac drift can effect your heart rate anyway so isn't an ideal measure.

Original Poster

Voucher Boy

Why would you need one of these. Not a criticism, just wondering why you … Why would you need one of these. Not a criticism, just wondering why you would need to know how much pedal pressure you are exerting. Is it like having a fitbit for your bike?



roadcyclinguk.com/how…tml

£402.50 using code JAN17, or an extra 10% off with British cycling membership

OK, interesting article. Way, way beyond my 12 mile daily commute!! Thanks for your replies guys...
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