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The 2021 Scott Spark RC 900 is a high-quality mountain bike designed specifically for ambitious cross-country riders. Priced at 4299 EUR, this model offers a wide range of technical features and high-quality components designed for performance and reliability.
The Spark RC 900’s frame is made from Spark RC carbon featuring IMP Technology and HMF. It is optimised for a 1x drivetrain and features a BB92 bottom bracket. The carbon rear triangle and SW dropouts for Boost 12x148mm provide additional stability and stiffness. The bike’s total weight is just 11 kg, making it one of the lighter models in its class.
Braking performance is provided by Shimano SLX M7100 disc brakes, combined with Shimano SM-RT66 brake discs, which have a diameter of 180 mm at the front and 160 mm at the rear. This configuration offers excellent braking power and control in a variety of conditions.
Shifting is handled by the SRAM GX Eagle 12-speed system, controlled by the SRAM GX Eagle Trigger shift lever. The crankset is also from SRAM (GX Eagle DUB Boost) and comes with a 32T chainring. The cassette consists of a SRAM XG1275 with a 10–52-tooth range, enabling a wide variety of gear ratios. The drivetrain is completed by the SRAM CN GX Eagle chain.
The Spark RC 900’s suspension consists of a FOX 34 SC Float Performance Air Grip 3 fork with 110 mm of travel and a FOX NUDE EVOL Trunnion rear shock, which has been specially tuned for Scott. The rear shock offers three modes (Lockout, Traction Control and Descend) and has 100 mm of travel. This combination ensures excellent suspension performance and adaptability to different types of terrain.
The bottom bracket standard is SRAM DUB PF integrated with a shell width of 41x92 mm. The handlebars are Syncros Fraser 1.5 made from 7050 D.B. alloy, featuring a T-shape, a width of 740 mm and a 9° backsweep. This is complemented by Syncros Pro lock-on grips and a Syncros XR1.5 stem with a -8° angle.
The headset consists of the Syncros Pro Drop-in, which is tapered (1.5"–1 1/8") and has bearing diameters of 42 mm and 52 mm. The tyres are Maxxis Rekon Race, 2.35" wide, tubeless-ready and featuring EXO protection, making them particularly durable and versatile.
The wheelset consists of Syncros Silverton 2.5 wheels with a 25 mm wide tubeless-ready rim and Boost axles (15x110 mm at the front, 12x148 mm at the rear). The saddle is a Syncros Belcarra Regular 2.0 with CRMO rails, whilst the seatpost is a Syncros Duncan 1.5 with a 10 mm offset and dimensions of 31.6x400 mm.
Overall, the 2021 Scott Spark RC 900 offers an impressive combination of lightweight construction, advanced technology and high-quality components, making it an excellent choice for cross-country riders.
| Brakes | Shimano SLX M7100 Disc |
| Frame | Spark RC Carbon / IMP Technology / HMF, 1x optimised / BB92 / carbon swingarm, SW dropouts for Boost 12x148mm, TBC Trunnion Box Construction |
| Drivetrain | SRAM GX / Eagle 12-speed |
| Shift levers | SRAM GX Eagle Trigger |
| Number of gears | 12 |
| Fork | FOX 34 SC Float Performance Air Grip 3, 3-mode / Kabolt 15x110mm axle / 44mm offset / tapered steerer, rebound adjustment / lockout / 110mm travel |
| Rear shock | FOX NUDE EVOL Trunnion, SCOTT custom with travel and geometry adjustment, 3 modes: Lockout, Traction Control, Descend, DPS / Rebound adjustment / Travel 100–70–Lockout / 165×40 mm |
| Fork travel (mm) | 110 |
| Rear shock travel (mm) | 100 |
| Bottom bracket | SRAM DUB PF integrated / shell 41x92mm |
| Crankset | SRAM GX Eagle DUB Boost, 32T |
| Sprocket | SRAM XG1275 / 10-52T |
| Drive | SRAM CN GX Eagle |
| Headset | Syncros Pro Drop-in / Tapered 1.5"–1 1/8", bearing diameters 42 mm and 52 mm |
| Handlebar | Syncros Fraser 1.5 / Alloy 7050 D.B., T-shaped flat / 9° / 740mm, Syncros Pro lock-on grips |
| Stem | Syncros XR1.5 -8°, integrated spacer & top cap, 2014 alloy / 31.8mm / 1 1/8" |
| Saddle | Syncros Belcarra Regular 2.0, CRMO rails |
| Seatpost | Syncros Duncan 1.5 / 10 mm offset, 31.6 x 400 mm |
| Wheelset | Syncros Silverton 2.5 6-bolt, front: 15x110mm, rear: 12x148mm Boost, 25mm tubeless-ready rim / 28H / XD Driver, Syncros axle with removable lever and tool |
| Tires | Maxxis Rekon Race / 2.35" / 60 TPI Kevlar bead, tubeless-ready / EXO |