SRAM GX Eagle 12 Speed Groupset Boost


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SKU: 00.7918.071.003Category: Brand:

Product Description

SRAM GX Eagle 12 Speed Groupset Boost

SRAM GX Eagle 12 Speed Groupset are designed, tested and proven to deliver the lightest, highest-performing, most durable systems for all riders on any trail.  Eagle technology provides an expanded, optimum, gear range (10-50 tooth cassette) that allows you to realize your bike’s potential beyond where it has ever been. This new groupset offering from SRAM presents great value for money.  For those of you wanting to use a 12 speed drivetrain with a 10-50 tooth wide range cassette, but can’t afford XX1 or XO1, this is worth serious consideration.

What’s in the box:

  • SRAM GX Eagle Trigger Shifter
  • SRAM GX Eagle Rear Derailleur
  • SRAM GX Eagle Crankset (GXP 175mm length)
  • SRAM GX Eagle 32T Direct Mount Chainring (3mm offset for Boost)
  • SRAM GX Eagle 10-50T Cassette
  • SRAM GX Eagle Chain

Note: Does not include a bottom bracket. No mixing and matching.

SRAM GX Eagle Trigger Shifter

The challenges of riding a mountain bike should be kept to roots, rocks, mud, trees, jumps, drops and breathing. Putting total control of your gear selection into the thumb of one hand, it’s simple to find the right gear, right now. The GX Eagle™ trigger shifter is the control center of the Eagle™ drivetrain. Its internal works have been updated to include a 12th gear, and improved to enhance trigger feel, precision and durability.


  • Weight: 122 grams
  • Speeds: 12
  • Forged aluminium trigger

Eagle Trigger Shifter Video

SRAM GX Eagle Rear Derailleur

This new GX derailleur not only answers the Eagle™ drivetrain’s need for greater capacity, but it’s also the next evolution of our proven, 1x-specific X-HORIZON™ design. The larger, 14-tooth X-SYNC™ lower pulley allows 10- to 50-tooth cassette, and also adds to Eagle’s overall smooth-pedaling feel. Our new, Type-3 ROLLER BEARING CLUTCH™ features a smoother torque curve for a quieter, more consistent operation and feel. CAGE LOCK™ has been moved back and out of the way, protecting it from trail debris. And a redesigned, robust mounting system further improves the Eagle™ derailleur’s performance and overall durability.


  • 12 Speed
  • Made from aluminium with steel pulley
  • Weight: 290 grams
  • Long cage
  • Maximum tooth: 50T

Eagle Rear Derailleur Video

SRAM GX Eagle Crankset (GXP 175mm length)

The SRAM GX Eagle™ crankset delivers consistent performance every time out. Featuring SRAM’s X-SYNC™2 tooth profile chainring, the GX crankset is engineered for complete chain control. Each tooth’s thickness is precisely toleranced and controlled to work seamlessly with the chain’s inner and outer links.


  • Arm material: Optimized 7000 series forged aluminum arms
  • Aluminium chainring
  • Weight: 610 – 622 grams
  • Crank arm length: 175mm
  • Compatible chainrings: 30t, 32t, 34t
  • GXP

Eagle Crankset Video

SRAM GX Eagle 10-50T Cassette

Ride anywhere with this wide range XG-1275, 10- to 50-tooth Eagle™ cassette that provides the right gear. Fast on the flats. Control on the climbs. Dictate your own pace, anywhere. Only Eagle™ technology is the 1x drivetrain engineered for infinite freedom. FULL PIN™ technology uses lightweight, stamped steel cogs held together with high-strength stainless steel pins. The result: a cassette that’s light and strong. The open design similar to our X-DOME™ cassette aids in mud clearance, giving you cleaner shifting performance and longer component life. New X-GLIDE™2 improves both inboard and outboard shifting, as well as chain retention.


  • Weight: 450 grams
  • 12 Speed
  • 10-50T
  • Individual cog ratios: 10t, 12t, 14t, 16t, 18t, 21t, 24t, 28t, 32t, 36t, 42t, 50t

Eagle Cassette Video

SRAM GX Eagle Chain

The GX Eagle™ chain is designed with SRAM’s Eagle™ geometry, the GX Eagle™ chain features solid pin construction, Eagle™ PowerLock® and smooth, efficient shifting that you can count on every time out.


  • PowerLock link included
  • Weight: 258 grams
  • 12 speed

Eagle Chain Video


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