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Wilier Cento 1 Air DI2 battery?

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Wilier Cento 1 Air DI2 battery?

Old 07-04-18, 02:39 AM
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martonyx
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Wilier Cento 1 Air DI2 battery?

I'm looking to buy used Wilier Cento 1 Air (2014) bike with Ultegra DI2 equipment.
As I can see on picture below, the battery is placed at the end of down tube.
This battery placing at the end of down tube seems bad positioned for my taste.
Does anyone knows, can the battery be placed into seatpost or in any other place?

Picture: imgur.com/LkGNUgC

Thanks!
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Old 07-04-18, 05:02 AM
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itchyjoe
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Yes--you'll need to buy an internal battery (BT-DN110) and a longer wire to reach the junction box; I did this on a Roubaix several years ago. My procedure was to first disconnect wires (use the special tool) from the FD, RD and front JB and tie fishing line to those free ends. Then using a coat hanger fish the internal JB up thru the seatpost and connect the new battery wire. Then "reseat" the IJB by feathering the other 3 wires back thru their respective holes. I wrapped the IJB in a little bubble wrap first to make sure it never rattles around. Then I used bubble wrap and string ties to wrap & stuff the battery into my seatpost--there are Youtube videos on this and lots of other ways to do it. You'll charge the battery through a port on the side of the front JB and need to buy a new charger. There's an older model battery (BTR-2) your Di2 may require so check before you buy; same size and charger however. Then sell your old battery, charger and wire on Ebay for a rebate!

Last edited by itchyjoe; 07-04-18 at 05:20 AM.
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Old 07-04-18, 05:44 AM
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motosonic
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Originally Posted by itchyjoe
Yes--you'll need to buy an internal battery (BT-DN110) and a longer wire to reach the junction box; I did this on a Roubaix several years ago. My procedure was to first disconnect wires (use the special tool) from the FD, RD and front JB and tie fishing line to those free ends. Then using a coat hanger fish the internal JB up thru the seatpost and connect the new battery wire. Then "reseat" the IJB by feathering the other 3 wires back thru their respective holes. I wrapped the IJB in a little bubble wrap first to make sure it never rattles around. Then I used bubble wrap and string ties to wrap & stuff the battery into my seatpost--there are Youtube videos on this and lots of other ways to do it. You'll charge the battery through a port on the side of the front JB and need to buy a new charger. There's an older model battery (BTR-2) your Di2 may require so check before you buy; same size and charger however. Then sell your old battery, charger and wire on Ebay for a rebate!
This is correct.
I ride a Cento1 SR and it's an awesome bike. But sadly I recently had a bad crash on it. You'll love it though. Wilier makes amazing bikes.
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Old 07-04-18, 09:05 AM
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Originally Posted by itchyjoe
Yes--you'll need to buy an internal battery (BT-DN110) and a longer wire to reach the junction box; I did this on a Roubaix several years ago. My procedure was to first disconnect wires (use the special tool) from the FD, RD and front JB and tie fishing line to those free ends. Then using a coat hanger fish the internal JB up thru the seatpost and connect the new battery wire. Then "reseat" the IJB by feathering the other 3 wires back thru their respective holes. I wrapped the IJB in a little bubble wrap first to make sure it never rattles around. Then I used bubble wrap and string ties to wrap & stuff the battery into my seatpost--there are Youtube videos on this and lots of other ways to do it. You'll charge the battery through a port on the side of the front JB and need to buy a new charger. There's an older model battery (BTR-2) your Di2 may require so check before you buy; same size and charger however. Then sell your old battery, charger and wire on Ebay for a rebate!
New battery...also probably new Junction A box, also new front Di2 cables for said junction box. Also new charger/interface. I'll go out on a limb and wager the OP has the old SW-67 junction up front.

$300 worth of kit easy....all just to move the battery.
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Old 07-05-18, 01:55 AM
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martonyx
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Thank you all on your advices!
Then spending that money to replace battery is not worth, I think I will buy that bike and leave battery on its original position.
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Old 07-05-18, 07:18 AM
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I was gonna move my battery like you, itís a cervelo s3, bottom of the down tube. Woulda cost 300 all in..thinking about it...then learned also the seat battery needs to be charged more often cause itís smaller. So I didnít, I donít see the thing while riding anyway only when looking at the bike while Iím off it..so whatís the point.
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