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I have a Carrera Subway Limited edition 2014 with V brakes. The front gears don't shift any longer since I recently got caught in a lot of rain. I've been told by a cycle repair that I need to change the left shifter plus the front derailleur.

The original left 3 speed shifter, model is: Shimano ST-EF51-AL, isn't been sold any longer apparently and I cannot find it on the net.

Is there anyone that could suggest what left shifter could I buy instead that is compatible with this model?

From http://www.thebikelist.co.uk/images/models/Carrera/2013/Carrera_Subway_Limited_Edition_Hybrid_Bike_13/340114.jpg

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    Bike shop's recommendation for shifter and front derailleur sounds fishy. One of the other would break, not both the same time. Also rain does not damage shifters. Perhaps you need a second opinion from different repair shop? – Argenti Apparatus Aug 25 '17 at 16:06
  • The cable sounds like it rusted internally. I agree with @ArgentiApparatus though, it sounds like you need a new shop that will just replace the derailleur cable and lubricate the shifter and derailleur. – RoboKaren Aug 26 '17 at 6:05
  • I've added a stock image of this bike - apparently it was a BSO sold through Halfords and similar. They're perfectly rideable bikes, but the sub-200 pound pricetag means they're not high end. So be cautious about spending too much on replacing parts. – Criggie Aug 26 '17 at 11:13
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That's just a mountain Shimano triple flat bar shifter with a V-brake lever.

You can buy any left hand shifter which is marked for triples from the Shimano mountain lines: Tourney, Alivio, Acera, Altus, Deore. You may need a separate brake lever, which has to be sold for V-brakes and flat bars (it will look like the existing brake lever). Microshift also makes compatible ones, as does SRAM under their Attack! line. You can also use a friction shifter (cheapest option, eg. Sunrace SLM10).

As an example, you can use the Shimano Acera SL-M310 shifter combined with the Shimano Acera BL-M421 brake lever.


Go to your local bike shop, and they should have a ton of these parts on hand.

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