Superspeed CF SX
silverback
Crosscountry
Superspeed CF SX is a carbon cross-country mountain bike (2024), from Silverback, in the Superspeed series. It is a strong match for riders who prioritize comfort and confidence on longer off-road rides, with a comfort-leaning position, and is best for smoother trails and efficient rolling. On MatchBikes metrics, it scores well for strong climbing friendliness for sustained uphill riding, good fit flexibility for dialing in rider position, and strong speed potential on smoother terrain. Compare this bike across categories on MatchBikes.com to see whether a nearby segment gives you a better fit.
7.2
Rating

+3
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Score Summary
Performance
7.7
Value
6.4
Fit
6.8
Performance
Built for speed and efficiency
Speed
6.6
Medium
Climbing Efficiency
9.8
Mountain Goat
Suspension
5.0
Confident trail control
Fit
Dialed-in Fit & Comfort
Riding Position
5.1
Comfort
Fit Flexibility
8.4
Adjustable
Ride Comfort
6.4
Balanced
Value
Value for Money
6.4
Fair Value
Surface Range
Flow TrailsSpecifications
General
Brand
silverback
Model
Superspeed CF SX
Year
2024
Price
$1,994
Weight
11.77 kg
Category
Mountain
Sub Category
Crosscountry
Groupset
SX Eagle
Frame
Frame
SB Proprietary Advanced Dynamics Carbon 29" Hardtail, Tapered 1-1/8"-1.5" Headtube, Pressfit BB Shell, MonoBurst, 148 x 12mm Boost Thru Axle Integrated Dropouts System, Replaceable Alloy hanger, Internal Cable Management System, 1 x only Frame
Suspension Fork
Rockshox Judy, Solo Air, MXL Stealth Boost. 100mm travel.
Suspension Type
Hardtail
Drivetrain
Shift Levers
SRAM SX Eagle trigger
Rear Derailleur
SRAM SX Eagle 12spd
Cassette
SRAM SX Eagle 11-50t
Crank
SRAM SX Eagle DUB, 32T
Bottom Bracket
BB92
Chain
12spd
Wheels
Front Hub
Shimano hubs
Rear Hub
Shimano hubs
Rims
Sunringle Duroc 35 alloy
Tires
Maxxis Crossmark II, 29" x 2.25" Tubeless Ready
Brakes
Brake Type
Hydraulic Disc
Brake Description
Shimano 200 Hydraulic Disc brakes
Cockpit
Stem
lightweight alloy 60 mm
Handlebar
SBC Alloy 78 cm
Grips
Surface
Seat
Saddle
SBC SRN-Ti rails
Seatpost
SBC alloy 27.2mm, Ti Bolts
Geometry
| Measurement | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.534 mm | 1.476 mm | 1.444 mm |
| Bottom Bracket Height | 309 mm | 309 mm | 309 mm |
| Front Center | 650 | 681 mm | 704 mm |
| Rake | 47 mm | 47 mm | 46 mm |
| Trail | 90 mm | 90 mm | 91 mm |
| Stack | 606 mm | 620 mm | 634 mm |
| Reach | 395 mm | 420 mm | 439 mm |
| Top Tube Length | 575 mm | 605 mm | 628 mm |
| Seat Tube Angle | 73.4 ° | 73.4 ° | 73.4 ° |
| Seat Tube Length | 422 mm | 472 mm | 522 mm |
| Head Tube Angle | 69.5 ° | 69.5 ° | 69.5 ° |
| Head Tube Length | 90 mm | 105 mm | 120 mm |
| Chainstay Length | 422 mm | 422 mm | 422 mm |
| Wheelbase | 1064 mm | 1095 mm | 1118 mm |
| Bottom Bracket Drop | 65 mm | 65 mm | 65 mm |
| Standover Height | 763 mm | 789 mm | 804 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 160 cm | 170 cm | 179 cm |
| Rider Max Height | 173 cm | 181 cm | 192 cm |




























































