SRAM XX1 Eagle 12 Speed Rear Mech

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The SRAM XX1 Eagle 12 Speed Rear Mech is designed for 12 speed mountain bike drivetrains. This XX1 derailleur is made from alloy & carbon, weighs 265g and is available in black & gold.

SRAM XX1 Eagle Rear Derailleur - 12 Speed

  • 12 Speed, Black, Gold, 265g, MTB, Alloy, Carbon
  • Designed for MTB riding.
  • Made from Alloy & Carbon.
  • Weighs 265g

This new derailleur not only answers the Eagle (TM) drivetrain's need for greater capacity, but is also the next evolution of SRAM's proven, 1x-specific X-Horizon (TM) design.

The larger, 14-tooth X-SYNC (TM) lower pulley, allows 10 to 50 tooth cassette capacity in this compact design, and also adds to Eagle's overall smooth-pedalling feel. SRAM's new, Type-3 Roller Bearing Clutch (TM) features a smoother torque curve for a quieter, more consistent operation and feel. Cage Lock (TM) has been moved back and out of the way, protecting it from trail debris.

A redesigned, robust mounting system further improves the Eagle (TM) derailleur's performance and overall durability.

Completely redesigned rear derailleur incorporating SRAM's proven X-Horizon (TM) design and new Type-3 Roller Bearing Clutch (TM) technology Re-engineered mounting system and repositioned Cage Lock (TM) add robustness Eagle (TM) pulley technology provides greater efficiency, crisper shifting and quieter operation Carbon cage and lightweight hardware make it light and tough Speed: 12 Material: Forged aluminium and carbon fibre Outer Cage: Carbon Fibre Inner Cage: Forged Aluminium Spring: Titanium Bearings: Stainless Mount Options: New improved B-Bolt attachment improves RD durability and consistency Pull: X-Actuation (TM) B Knuckle: All new B-Bolt attachment method reduces noise and improves durability Compatibility: Eagle (TM) 10-50T only Technologies: Cage Lock: With Cage Lock (TM) technology in the rear derailleur, wheel removal and installation, as well as chain installation, becomes faster and simpler. Just push the cage forward to create slack and lock it into place.

Roller Bearing Clutch: Roller Bearing Clutch (TM) rear derailleurs deliver maximum drivetrain stability, even through the most punishing terrain. With Roller Bearing Clutch (TM) technology, derailleur bounce and chain slap are eliminated without sacrificing precision.

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

X-Horizon (TM) : The X-Horizon (TM) 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 (TM) : The SRAM X-SYNC (TM) tall square teeth edges engage the chain earlier than traditional triangle shaped teeth.

The sharp and narrow tooth profile, as well as rounded chamfer edges, helps manage a deflected chain. To provide the best possible performance in muddy conditions, the X-SYNC (TM) chain rings have been designed with mud-clearing recesses for the inner chain links and rollers. Engineered in Germany, X-SYNC (TM) rings are an integral part of the SRAM 1x (TM) drivetrain.


.. more details.

How much will Postage & Packaging be?!

XX1 Eagle 12sp Rear Derailleur Specification

Components TypeRear Mechs
Weight265g
Type12 speed
MaterialAlloy & Carbon
ColourBlack & Gold
SizeOne Size
Wheel Size26", 27.5", 29"
Designed forMTB
BrandSRAM
RRP£305.00
Lowest Price£303.00

Yay! This qualifies for FREE UK Postage as it's over £20.

Alternatively Next Day Delivery is £5 or £7.50 for bulky items..



Please note this P&P is an estimate, and is based on the following Tredz UK delivery charges:


Standard Delivery
FREE for items over £20 and £2.95 for items under £20.

Courier Delivery (Bikes, Frames & Wheels etc)
FREE (except Scottish Highlands & Islands - £20 - £25)

Next Day Delivery
£5 (£7.50 for bulky items - not including Bikes, which take time to build).

Full details on Tredz's P&P charges can be found here.



Please note - I regularly update these charges, but shipping policies do change - Please ensure they are correct before completing a purchase.

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