2026 Sirrus X 4.0 CheckoutTitle=DT Swiss EX 511 Front Wheel - 29Offering an unprecedented combination of comfort, efficiency, and nimble handling, the Sirrus X excels on pavement, dirt, and any terrain in between. SMOOTH, COMFORTABLE, AND EFFICIENT: Sirrus X provides the smoothest ride in its class. With bigger, confidence inspiring tires, a slightly more upright riding position, and a super intuitive one by drivetrain. RIDER FIRST ENGINEERED: Like all Specialized performance bikes, the geometry of each frame is
Model BX106R Front/Rear Rear (HG 11sp Road)
Chainline/Hub Compatibility 141/148 Boost Hubs Defined Color Red Direct Mount Type Direct Mount CINCH Material Aluminum Offset 3 Ring Position/Type Chain Retaining Single Ring Round or Oval Oval Tooth Count 32
Model Tech 4 V4 Color Silver Package Pair
Model Futura Cross Plus Wheel Size 700c Steerer (Stem/Race) Tapered (28
}Chris King RingDrive Lube 1
without using glue materials 245mm x 145mm 315g
}SRAM Flat Mount Frame Disc Caliper Bracket Bolts 15mm Titanium
QR x 135mm Rim Width (Internal) 25 Cassette Body Type Shimano HG Valve Presta Color Silver Wheel Size 26"
With the new D 1900 Dirt Jump wheels you can transform your energy into commitment push harder pull higher
Cassette Body Type Shimano/SRAM 11 Speed Road Color Black Defined Color Black Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 142mm Rim Width (Internal) 30 Tire Type Tubeless Ready Valve Presta Wheel Size 29"
also for use with internal gear hubs such as the Sturmey 3-speed fixed and 2-speed kickback
Model DHX2 Factory Trunnion Stroke 55mm Eye-Eye 185mm