The **SRAM XG-1299 XX1 Eagle 12-Speed Cassette** brings precision engineering and trail-proven performance together for riders who demand the absolute best. Designed for elite mountain bikers chasing efficiency and reliability, this 10-50t cassette delivers smooth, lightning-fast shifts across a massive gear range—perfect for conquering steep climbs and hammering descents with equal confidence.
Built around SRAM’s legendary **X-Dome architecture**, the XG-1299 maintains incredible strength while shedding excess weight, ensuring consistent performance ride after ride. The durable **Titanium Nitride coating** not only gives the cassette its striking copper finish but also reduces friction and extends wear life. The largest cog is made from lightweight aluminum, balancing weight savings with the toughness needed for aggressive trail use.
Whether tackling a backcountry epic or pushing an E-MTB to its limits, this cassette delivers flawless shifting and long-term durability that serious riders can count on.
Wide 10-50t range for maximum versatility across climbs and descents
X-Dome design provides superior strength and mud clearance
Titanium Nitride surface treatment reduces friction and enhances longevity
Lightweight aluminum 50t cog optimizes performance and durability
Compatible with XD driver bodies
Meets the durability standards of demanding E-MTB applications
Specifications & Identifiers
Cassette / FH Body Type
XD
Cassette Cogs
10,12,14,16,18,21,24,28,32,36,42,50
Cassette Spacing
SRAM Eagle 12
Chain Compatibility
12-Speed
Color
Copper
Defined Color
Brown
Designed for ebike
Yes
Number of Speeds
12-Speed
Range
10-50
Weight
357g
UPC
710845884740
MPN
00.2418.139.000
Tree Fort ID:
333222473134
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