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Item # SRM0511

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  • Carbon, 170mm 53/39T ($336.99)
  • Carbon, 172.5mm 53/39T ($336.99)
  • Carbon, 175mm 53/39T ($336.99)
  • Carbon, 172.5mm 50/34T ($336.99)
  • Carbon, 175mm 50/34T ($336.99)
  • Carbon, 172.5mm 52/36T ($337.99)
  • Carbon, 175mm 52/36T ($336.99)
  • Carbon, 175mm 46/36T ($337.99)
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Item # SRM0511

The new standard.

The BB30 system continues its reign over the peloton as a preferred bottom bracket standard. It's not hard to see why, as an oversized, 30mm spindle and large bottom bracket shell add torsional stiffness, providing a responsive and efficient pedaling platform without increased weight. The system's direct fit, press-in bearings also eliminate the need for aluminum bottom bracket cups, further reducing weight. With the technology licensed from Cannondale more than a decade ago, a multitude of manufacturers now produce BB30-compatible products. SRAM's right there leading the bunch, having engineered its new Red 22 Crankset with the BB30 standard, 'True 22' X Glide R chainring calibration, and innovative Exogram technology.

SRAM's first generation Red crankset used a foam core with a carbon structure wrapped around it to meet SRAM's ambitions for drivetrain performance and weight. While the stiff crank arms offered excellent response under load, one complaint that came from a handful of ProTour riders was that under load the front shifts sometimes lacked sufficient precision and crispness. SRAM's team of R&D experts set out to solve this gripe and the changes you'll find on the Red 22 Crankset directly correlate to improved shifting.

The new SRAM Red 22 BB30 Crankset has gone away from that first-generation foam-core formula, and now has a significantly beefier arm shape with a true hollow cross section. Because of the larger carbon-optimizing structure, SRAM is able to use less material, effectively reducing weight without negatively affecting stiffness. This also allowed them to rotate the spider to take advantage of the large, flex-fighting crank arm.

SRAM chose to stick with the 130mm bolt circle diameter standard, ensuring compatibility with aftermarket chainrings, but they've arranged the spider to position a mounting bolt on the backside of the crank arm. By integrating a mounting location within the existing carbon structure, they're able to reduce weight and deflection from shifting -- effectively enhancing the accuracy, speed, and quality of front shifts. This reduces the number of spider arms to four and gives the cranks a sleek, air-splitting profile.

The Red Exogram chainrings have also received extensive reworking to boost front shifting performance, specifically focusing on integration with the rotating, Yaw-caged Red front derailleur. Coined X Glide R, these chainrings are machined from 5mm thick 7075-T6 aluminum and now have been carefully tuned to accommodate the 11-speed drivetrain. SRAM used extensive computer-aided finite element analysis to optimize stiffness first, followed by shift ramp profiles. Then they set out to eliminate any unnecessary material without affecting the structure. SRAM placed the new shift pins to correlate with your cadence and cut the ramps to into a profile that works seamlessly with the new Red front derailleur.

The Red 22 BB30 Crankset comes in 170, 172.5, and 175mm lengths, and both 53/39 and 50/34 chainring configurations are available.

  • BB30 Standard
  • Exogram Technology and larger carbon-optimizing structure
  • X-GlideR chainring calibration
  • Integrated mounting bolt
  • 130mm bolt circle diameter

Tech Specs

Arm Material:
Arm Length:
170.0 mm, 172.5 mm, 175.0 mm
Chainring Sizes:
50 / 34 t, 53 / 39 t
Bolt Circle Diameter:
[50/34t] 110 mm, [53/39t]
Bottom Bracket:
not included
BB Type:
Compatible Components:
SRAM 11-speed
Actual Weight:
Carbon, 170mm 53/39T: 557g; Carbon, 172.5mm 53/39T: 557g; Carbon, 175mm 53/39T: 557g; Carbon, 172.5mm 50/34T: 557g; Carbon, 175mm 50/34T: 557g
Recommended Use:
road racing
Manufacturer Warranty:
2 years

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Unanswered Question

Will this crankset work with a 10spd shimano dura ace di2 system?

Avg. ride time: 50m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Does this item include the necessary washers for installation, if we already have a BB installed? (Specialized osBB)

Best Answer

The order I received had everything I needed for install in an in-place BB30. I'm satisfied with the performance so far after a few rides. Many miles to come!

Well, having ordered the cyclocross model, I don't think it included the wavy washers, spacers or bearing shields that I needed. Then again, I'm slapping this on a 2014 Specialized OSBB. I went ahead and ordered the BB30 bottom bracket assembly kit, so now I think I have everything necessary.

After ordering this, I realized I could've just got the GXP version, and used the included OSBB adapters from Specialized.

Is this crankset compatible with a Shimano 11-speed groupset? Or should we only use Shimano cranks with Shimano groupsets? Online wisdom suggests that as long as we keep the shifting system within the same company and speed, cranks should not make any difference. Looking to upgrade Shimano RS500 11-speed mid-compact crank, and I wonder if this is a sensible upgrade. I know this crank is lighter than the RS-500, but will it shift better especially with a Shimano groupo?

I recommend looking at a Shimano crankset. SRAM says this is only compatible with their front derailleurs.

what production year is this crank please?

Technically this product doesn't have a "model year" however it's the most current iteration of the SRAM lineup and it was produced this year. If you have any other questions feel free to email me at

Will crankset be compatible with the old...

Will crankset be compatible with the old SRAM 10 speed? I'm assuming it is, but I wanted to get a 2nd opinion before I make the purchase.

Technically, the two are not compatible. Changes in specifications are small, but the 22 components were designed to be used exclusively with SRAM's 11 speed drivetrains. You may be able to get by with using it, but the shifting will likely not be spot on. We do have some great deals on SRAM Force 10 speed cranksets right now that you might check out.