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SRAM Force 1 Type 2.1 Rear Derailleur

Sale $183.99 - $193.99 $231.00 20% off

Item # SRM007G

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  • Grey, Medium Cage ($183.99)
  • Grey, Long Cage ($193.99)
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Item # SRM007G

Shift with the force.

Now that SRAM's got its one-by tech dialed for 'cross, it's delivered the Force 1 groupset, which boasts enough versatility to transition between road, 'cross, and gravel pursuits without missing a shift. Put the Force 1 Type 2.1 Rear Derailleur to the test during the lung-busting laps of your next cyclocross race and take advantage of the consistent shifting this latest update delivers.

Missed shifts and dropped chains are frustratingly common on rough terrain, which was why SRAM developed its Roller Bearing Clutch technology, equipping the Type 2.1 to hang onto your chain on the bumpiest of rides. That means you'll actually get to experience a little peace and quiet on a training ride rather than constantly listening to a bouncing chain or derailleur, and with the addition of SRAM's stabilizing X-Horizon technology, you can use less muscle to initiate a shift without worrying about ghost shifts surprising you when you're out of the saddle on a climb. Plus, wherever you are on your cassette, each gear shift requires the exact same amount of force every time with the addition of SRAM's Exact Actuation technology. That means no more need to work harder to get into your highest gear, plus quieter shifts all around.

  • Use for 'cross, gravel, road cycling
  • Compatible with 10- and 11-speed Exact Acutation Shifters
  • Medium cage version supports 11-26t through 11-36t cassette ranges
  • Long cage version supports 11-32t through 10-42t cassette ranges

Tech Specs

[cage] aluminum, [hardware] stainless steel
Cage Length:
medium, long
Actual Weight:
Grey, Long Cage: 257g
Recommended Use:
cyclocross, gravel, cycling
Manufacturer Warranty:
2 years

Reviews & Community


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Never Going Back to 2x

  • Familiarity: I've put it through the wringer

I converted my old cyclocross bike from 10spd to 11spd with the Force rear derailleur and Rival shifters. Not only did I shave weight it shifts much better and performed great in the mud.

One is not such a lonely number

  • Familiarity: I've put it through the wringer

The use of 1x set ups has become common place on the MTB side and I am not sure I could imagine going back to the use of a front derailleur for my mountain bike. The simplicity, weight reduction and decrease in mechanical issues due to bad front shifts, makes for a no brainer, but I was more skeptical to go shed my double ring for road and gravel duty.

I set up my Niner RLT with Force 1x this season, with the expressed purpose of bike packing, specifically a trip from Banff, CA to Whitefish, MT.

I went with a 38t ring up front and a 11/42t cassette rear. This gear set up worked pretty well, but on some steep climbs, I had to really give her all I had, or it was going to be time to walk. Keep in mind, my bike packed up with panniers, gear, tent, water, and bags had to weigh around 60lbs. I have to say, I will be glad when Eagle 12speed makes it way over to the road side.

But, if you take all of the bike packing gear and equipment, the gearing would be more than sufficient for a standard road or gravel set up.

Force 1x is easy to use, simple and extremely reliable.

One is not such a lonely number
Unanswered Question

I have some original Sram Force shifters and was wondering if they would work with this derailleur?

Great for a winter rig

  • Familiarity: I've used it several times

SRAM Force 1 derailleurs are great for a 1 by build, the precision and chain retention is second to none. I have built bikes up with similar configurations, this derailleur has been the best I have used. It was great that it can be set up as a 10 or 11 speed since I could use some older 10 speed Force shifters with this. For winter riding in Colorado on dirt or gravel roads, the chain retension this derailleur provides is key as snow or mud can cause dropped chains. I am using the medium cage with a 11-34 cassette, feel it gives me plenty of options.

Avg. ride time: 6h 42m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

what does 2.1 mean?

It's just the version of their clutch mechanism. They had a few complaints about their 2.0 clutch, so they quickly released an updated 2.1 version. I have an X9 rear mech with a 2.1 clutch and it works great. I absolutely LOVE the cage lock system when removing and reinstalling the rear wheel.