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How to install? SRAM force to SRAM red upgrade

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How to install? SRAM force to SRAM red upgrade

Old 09-15-16, 12:02 AM
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ymee
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How to install? SRAM force to SRAM red upgrade

Hi guys,

I have a bike with a SRAM Force crankset BB30. I purchased a SRAM Red crankset. Do I simply unscrew the Force crankset from the non drive side and install the new crankset or is it a lot more cumbersome? I'm expecting the new crankset to come in tomorrow and want to be prepared for the install. Thanks for your help in advance.
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Old 09-15-16, 12:21 AM
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Assuming they take the same bottom bracket, and you didn't buy a new one, then it is that simple, but you need to get the preset tightness right. I don't know whether you will have a wave washer or a preset adjuster on the model you bought. If a wave washer, it is all about the tightening torque. The preset is set difference. If new in box, your Red crank should come with instructions. Also look it up at SRAM online and on the Park Tool website.
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Old 09-15-16, 12:23 AM
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I think SRAM BB30 cranks are all screwed in on the drive side but aside from that yes it should be a drop-in replacement. Remove, install, adjust preload.
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Old 09-15-16, 12:26 AM
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No matter which side the new one tightens on, the disassembly is probably from the NDS due to the age of the model being replaced. But anything is possible.
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Old 09-15-16, 03:47 AM
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Force 2012 you unscrew the NDS, but I think that changed on Force 22. Note that there should be a "washer"/"spacer" on each side of the BB to seal off the bearings (at least for PF30, I assume BB30 is the same). Make sure you keep those and reinstall. Red 22 or 2016 you screw on the DS (opposite). It should come with grease on it but I like to add grease where it shows on the SRAM instruction (blue areas). If you need the wavy washer you might also need spacers to get the right compression of the wavy washer. Not needed with the preload adjuster. Also Red cranks come with washers they want you to place on the pedals. At least the Force 2012 I had didn't come with those.

I have a rubber mallet. Usually takes a couple good whacks on the spindle to get it moving out.

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Old 09-15-16, 04:15 AM
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Review the instructions for the final assembly of the wave washer.
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Old 09-15-16, 08:56 AM
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Thanks guys. I guess I have to take apart the Force cranker to see if it was using a preload or wavy washer. This is on a 2012 BB30 bracketed bike so not sure what all changed since then.
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