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SRAM's 11-speed X01 drivetrain is the first group to benefit from the trickle down effect from XX1. Today specs and prices were confirmed for aftermarket purchases.

Perhaps the biggest change from the information previously reported is that the X01 crankarms will indeed be offered in carbon. The hollow forged aluminum X1 cranks shown before will be on OE builds only, and are not available to consumers who aren't purchasing a complete bike. Both versions of the X01 arms use a 94mm BCD, unlike XX1 which use 74mm. This makes the smallest X01 chainring possible a 30-tooth.

Another interesting piece of news is that SRAM will also make a standard 104mm BCD X01 chainring available to public, allowing those with standard 4-bolt cranks to benefit from the X-Sync technology. Sizes include 32, 34, 36, and 38-tooth rings. MSRP ranges from $105 to $127, depending on the tooth count.

Availability is expected to be mid-September.


X01 Derailleur

X-Horizon zero slant design

12 tooth pulley wheels

Type 2 clutch technology

Carbon (shown at top) or aluminum (bottom) cage

Sealed cartridge bearings

Red or Black

Weight: 220 grams

$269 MSRP


X01 Crankset

Carbon arms with forged aluminum spider

170 and 175mm lengths

94 BCD

Bash guard option

30, 32, 34, 36 or 38-tooth ring diameters (28-tooth will not fit)

X-Sync tooth profile

BB30 or GXP

Red or Black

Weight: 645 grams (5 grams heavier than XX1)

$279 (GXP) and $319 (BB30) MSRP


XG-1195 Cassette

11 speeds (10-12-14-16-18-21-24-28-32-36-42 teeth)

10 x 42-tooth range

XD driver body

Hard plated with black surface treatment

Weight: 275 grams (15 grams heavier than XX1)

$399 MSRP


X01 Trigger Shifter

1x11 SRAM X-Actuation

Multi-adjustable trigger shifter

MatchMaker X compatible

Aluminum cover and forged aluminum pull lever

Red or Black

91 grams

$139 MSRP


X01 Grip Shift

1x11 SRAM X-Actuation

Speed Metal indexing

Rolling Thunder ball bearings

Lock-on grips included

Red or Black

143 grams

$129 MSRP


PC-XX1 Chain

1x11 specific

Hard Chrome technology

11-speed Power Lock


$63 MSRP

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