Today SRAM has revealed some of the details of their brand new XX1 drivetrain system. It’s a 1×11 system that utilizes a 10-42t rear cassette with a specially crafted rear derailleur. Check out some of the details inside from SRAM.

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SRAM XX1 was built with a dedicated 1X drivetrain philosophy—making it simpler, lighter and more durable than any other.

To start with the cranks, they feature X-SYNC™ which is A CNC- machined , “wide tooth, narrow tooth” pattern is repeated a round the entire chain ring , which mirrors the XX1 chain’s inner and outer links.

• A new tooth profile alternates thickness by inner and outer links
• Carbon arms with forged aluminum spider
• Six ring options : CNC-machined rings (28-30-32-34-36-38)
• New spider design allows for easier ring changes
• Wide/narrow Q factor cranks for BB30 and GXP
• Weight: 650 grams with BB approx

X-Horizon X1 Rear Derailleur

Features roller bearing clutch, cage lock, 220g weight (claimed), horizontal parallelogram, and more.

XX1 Cassette – FIRST OF ITS KIND

Ranging from 10- to 42-teeth, the 11-speed X-DOME™ delivers an incredibly wide gear range while maintaining even, optimized steps. The singleunit cassette combines with the XD™ driver body for a superior connection to the wheel.

• 11-speeds (10-12-14-16-18-21-24-28-32-36-42)
• Bearing design and ratchet mechanism steadied by XD driver body
• Creates more stable hub connection
• Gear steps optimized across entire range
• Wheels equipped for XD driver body available from SRAM and DT Swiss

XX1 TRIGGER SHIFTER – quick on the draw

• SRAM 1X11 X-ACTUATION™ for precise and dependable 11-speed performance
• Multi-adjustable trigger shifter
• MatchMaker X compatible
• Carbon cover and adjustable carbon pull lever
• Full Gore Ride-On cable system

XX1 GRIP SHIFT – Seismic Shift

• SRAM 1X11 X-ACTUATION™ for precise and dependable 11-speed performance
• SPEED METAL™ shift indexing
• ROLLING THUNDER™ ball bearing technology
• JAWS™ lock-on grip technology
• Carbon cover
• Full Gore Ride-On cable system

XX1 CHAIN -POWERFUL CONNECTIONS

The XX1 chain represents the latest breakthrough in a long line of precise, light-weight chains from SRAM. It’s designed to deliver the greatest strength and reliability to a drivetrain that doesn’t have to make compromises for front shifts.

• New 1X11 XX1 specific chain
• Designed for maximum strength and wear resistance
• Proprietary link finish provides improved life span
• 11-speed power lock