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SRAM Red 22 GXP Crankset

$383.35 $451.00

Item # SRM0509 15% Off

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  • One Color, 170mm, 53/39 ($383.35)
  • One Color, 172.5mm, 53/39 ($383.35)
  • One Color, 175mm, 53/39 ($383.35)
  • One Color, 170mm, 50/34 ($383.35)
  • One Color, 172.5mm, 50/34 ($383.35)
  • One Color, 175mm, 5034 ($383.35)
  • One Color, 170mm, 52/36 ($383.35)
  • One Color, 172.5mm, 52/36 ($383.35)
  • One Color, 175mm, 52/36 ($383.35)
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Item # SRM0509

Description

Hollow carbon power to drive your 11 speeds.

SRAM's re-introduced Red group in 2012 addressed the specific drivetrain requests of cycling's elite athletes, and the culmination of feedback -- combined with early wins aboard the new drivetrain -- confirmed that the modifications were successful. So, when SRAM's engineers took a hard look at how they could improve the marquee Red groupset, the only improvement they could envision was additional gearing. With Red 22, you receive the proven Red platform, with the addition of 22 overall gears. The Red 22 GXP Crankset carries over SRAM's innovative Exogram technology and combines it with 'True 22' X Glide R chainring calibration, giving you the ultimate in drivetrain power and precision.

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 GXP Crankset directly correlate to improved shifting.

The new SRAM Red 22 GXP 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 this 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 GXP Crankset does not come with a bottom bracket, but is compatible with the SRAM/Truvativ GXP standard, including the low-friction hybrid ceramic bearing option. It comes in 170, 172.5, and 175mm lengths, and both 53/39 and 50/34 chainring configurations are available.

Tech Specs

Arm Material:
carbon fiber
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] 130 mm
Bottom Bracket:
not included
Bolts:
5
Rings:
2
Spindle:
GXP
Compatible Components:
SRAM 11-speed
Actual Weight:
One Color, 170mm, 53/39: 609g One Color, 172.5mm, 53/39: 609g One Color, 175mm, 53/39: 609g One Color, 170mm, 50/34: 609g One Color, 172.5mm, 50/34: 609g One Color, 175mm, 5034: 609g
Recommended Use:
road racing
Manufacturer Warranty:
2 years

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