SRAM Eagle NX 12-Speed Kit w/ GX Chain

Brand: SRAM

Product Code: 12999

Availability:In stock

SRAM Eagle NX Rear Derailleur

  • Speeds: 12
  • Completely new rear derailleur incorporating our proven X-HORIZON™ design and Type-3 ROLLER BEARING CLUTCH™ technology.
  • Eagle™ ecosystem-engineered mounting system and CAGE LOCK™ positioning add robustness.
  • Eagle™ pulley technology provides greater efficiency, crisper shifting and quieter operation.
  • Material: Aluminum / Steel
  • Weight ~ 338g
  • Black
  • Compatibility: 1x12 SRAM
  • Hardware: Stainless Steel
  • Bearings: Sealed Cartridge Bearings
  • Cage Size: Long
  • Pivot Design: Horizontal Parallelogram design
  • Max Tooth: 50t
  • Pulleys: 12-tooth X-SYNC™ pulley wheels
  • Also compatible for e-bike applications
  • CAGE LOCK™: With CAGE LOCK™ technology in the rear derailleur, wheel removal and installation—as well as chain installation—becomes faster and simpler. Just pushing the cage forward to create slack and lock it into place.
  • ROLLER BEARING CLUTCH™: ROLLER BEARING CLUTCH™ rear derailleurs deliver maximum drivetrain stability—even through the most punishing terrain. With ROLLER BEARING CLUTCH™ technology, derailleur bounce and chain slap are eliminated without sacrificing precision.
  • X-ACTUATION™: Developed specifically for SRAM 1x™, X-ACTUATION™ keeps shifting sharp and consistent across the entire cassette.
  • X-HORIZON™: The X-HORIZON™ rear derailleur’s ‘straight parallelogram’ design limits all movement to the horizontal axis, which makes ghost shifting impossible while also reducing shift force. For quicker, more exact shifting, the large upper pulley offset design maintains a constant chain gap across all gears.
  • X-SYNC 2™: X-SYNC™ 2 Eagle is the next evolution of SRAM X-SYNC™ technology. The aggressive teeth design provides better chain retention for a smoother, more efficient pedal feel. With a focus on long wear-life, the X-SYNC EAGLE™ design reduces friction and the accumulation of mud, grit and grime

SRAM Eagle NX Trigger Shifter

  • Speeds: 12 Speed

  • Compatibility: 1x12 SRAM

  • Eagle™ Technology creates a smoother and more precise shifting system with exceptional reliability.

  • Also available as a E-MTB specific Eagle™ shifter option limiting the pull lever to a single engagement.

  • Compatible with Matchmaker™ X clamp

  • Material: Aluminum / Plastic

  • Hardware: Stainless Steel bolts, Matchmaker X

  • Advertised Weight ~ 112g

  • MatchMaker X Integrated™: e cable is engaged

  • X-ACTUATION™: Developed specifically for SRAM 1x™, X-ACTUATION™ keeps shifting sharp and consistent across the entire cassette.

  • Zero Loss™: ZeroLoss simply means, well, zero loss—when you push on the lever, for an upshift or down shift, the cable is engaged instantly—zero loss of movement. There is no middle-ground where you're waiting for the shift to come. Gear changes are instant and precise.

SRAM Eagle GX Chain

  • Speeds: 12 Speed

  • Closing Link: PowerLock®

  • Outer Plate: Silver

  • Inner Plate: Black

  • Pin Treatment: Chrome

  • Advertised Weight ~ 258g (126 links)

  • Material: Outer link finish Nickel

  • Rivet Type: Solid pin

  • Recommended Group: GX Eagle™

  • Compatibility: All levles of Eagle™ drivetrain systems

  • Technology Highlights: PowerLock®, Flow Link

  • PowerLock®: SRAM chain engineers developed PowerLock® as a tool free, sure, and consistent way to connect our chains. While PowerLock® does not require special tools for install, the especially tight tolerances of 10-, 11- and 12-speed drivetrains mandate that each PowerLock® is good for a one-time application only.

  • Flow Link: Ultra-smooth chain inner-plates are completely devoid of square edges, resulting in a chain that engages the cassette and chainring with far less friction, for quieter performance and better wear life. The design allows a narrower overall profile that can withstand greater angles, and also allows for a flatter outer-plate, which means more consistent chain riveting and enhanced overall strength.

SRAM Eagle NX PG-1230 11-50t Cassette

  • Compatible with eBike

  • Speeds: 12

  • Range: 11-50t

  • Cassette Cogs: 11-13-15-17-19-22-25-28-32-36-42-50

  • Compatible with 8-, 9- and 10-speed splined driver bodies.

  • This PG-1230 cassette is an integral part of the SRAM Eagle™ drivetrain Ecosystem.

  • Wide 11-50t gear range—a perfect fit for any ride with optimized gear steps across entire range.

  • Material: 8 lightweight, stamped steel cogs and 4 high-strength steel cogs pinned onto an aluminum spider

  • Advertised Weight ~ 615g

  • PowerGlide II: Cassette technology optimized for offroad. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Go climb a mountain.


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