Silverback SE:Series Fat SX

Name: Silverback SE:Series Fat SX
Brand: Silverback

2025 MountainFat bike Manufacturer page

Silverback SE:Series Fat SX, color Satin Matt Watermelon Red / Gloss Maroon Decals

Price: Not published

Prices shown first for United States
Europe: €1,999 Last known price
Fork travel: 100 mm
Wheels: 26″
Drivetrain: 1 × 12 32t / 11–50t
Gear range: 455%
Weight: 16.7 kg 36.8 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 169–180
LG 178–189
XL 187–200

Components

13 of 21 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

Silverback SE:Series Fat 26" Butted 6061 Aluminium, Tapered 1-1/8"-1.5" headtube, 197mmx12mm T/A Dropouts, 120mm BB width Not identified

Suspension

1 part

Fork
- RockShox Bluto

Drivetrain

6 parts

Bottom bracket

BSA120 Not identified
Cassette
- SRAM PG-1210 Eagle 12 speeds 11–50t
PG-1210
Chain
- SRAM SX Eagle 12 speeds
Crankset

Surface forged alloy arms, 175mm all sizes, 32T Chain ring Not identified
Rear derailleur
- SRAM SX Eagle 12 speeds
Shifters
- SRAM SX Eagle Trigger 12 speeds

Brakes

2 parts

Brakes
- SRAM
Disc rotors

F: 180mm, 6 bolt R: 160mm, 6 bolt Not identified

Wheels and tires

4 parts

Cockpit and contact points

7 parts

Grips

Surface Not identified
Handlebar

Surface Alloy butted, 31.8mm, 720mm all sizes Not identified
Headset
- Token
Pedals
- VP VPE-506 MTB bike pedal
VPE-506
Saddle
- Selle Italia Performance
Seatpost

Surface Dropper Post, 30.9mm, 125mm - S, 150mm - M/L/XL Not identified
Stem

Surface alloy, 31.8mm, 6 deg Rise, 60mm all sizes Not identified

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 418mm

Stack 595mm

Wheelbase 1120mm

Head angle 69.5°

Seat angle 73.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 26″ wheel; exact published values are in the table below.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	388	418	439	457
Stackmm	595	595	600	614
Top tube lengthmm	570	600	622	645
Seat tube lengthmm	380	430	480	530
Head tube lengthmm	110	110	115	130
Head tube angle	69.5°	69.5°	69.5°	69.5°
Seat tube angle	73°	73°	73°	73°
Chainstay lengthmm	450	450	450	450
Wheelbasemm	1090	1120	1142	1166
Front centermm	641	671	693	717
Bottom bracket dropmm	25	25	25	25
Bottom bracket heightmm	318	318	318	318
Standover heightmm	762	778	802	832
Fork rakemm	37	37	36	37
Trailmm	89	89	90	89
Stack/reach ratio	1.53	1.42	1.37	1.34

Not published by the manufacturer: Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Aluminum
Bicycle weight: 16.7 kg

36.8 lb
Weight limit: 120 kg

264.6 lb

Suspension

Suspension configuration: Hardtail
Front travel: 100 mm

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 32
Largest chainring: 32
Rear sprockets: 12
Smallest sprocket: 11
Largest sprocket: 50
Lowest gear: 16.6 in
Highest gear: 75.6 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Dropper seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: BSA
Fork spring: Air
Wheel material: Aluminum
Wheel size: 26″

Gearing

Estimated speeds at 80 rpm

Lowest gear: 6.4 km/h
Highest gear: 29.0 km/h

Total gear range 455%

Technical details and class reference

These speeds describe the gearing at the selected cadence, not how fast you can ride.
Calculated from published gear-inch values and their wheel-size assumptions.
These gearing values describe the bicycle, not a selected frame size.
A 100% range means one ratio; 500% means the highest ratio is five times the lowest.
For e-bikes, motor assistance cutoff is not represented.

Gear-inch range

Lower gear-inch values travel less distance per pedal revolution; higher values travel farther.

This bicycle: 16.6–75.6 gear inches

Lineup changes

The published facts that differ across this family's builds and from the same model a year earlier. Missing information never counts as zero.

Differences across 2025 builds
Specification	This bicycle Silverback SE:Series Fat SX	Silverback SE:Series 10	Silverback SE:Series 12	Silverback SE:Series 275V	Silverback SE:Series 7	Silverback SE:Series 7 L
Frame
Intended fit	Unisex	Unisex	Unisex	Unisex	Unisex	womens
Bicycle weight	16.7 kg	16.5 kg	16.3 kg	16.3 kg	16.5 kg	16 kg
Suspension
Suspension configuration	Hardtail	Full suspension	Full suspension	Hardtail	Full suspension	Full suspension
Front travel	100 mm	120 mm	120 mm	100 mm	100 mm	100 mm
Rear travel	Not informed	18 mm	18 mm	Not informed	40 mm	40 mm
Drivetrain
Front chainrings	1	1	1	3	3	3
Smallest chainring	32	32	32	24	24	24
Largest chainring	32	32	32	42	42	42
Rear sprockets	12	10	12	7	7	7
Smallest sprocket	11	11	11	14	14	14
Largest sprocket	50	48	51	28	28	28
Lowest gear	16.6 in	19.3 in	18.2 in	23.6 in	23.6 in	23.6 in
Highest gear	75.6 in	84.4 in	84.4 in	82.5 in	82.5 in	82.5 in
Brakes
Brake type	Hydraulic disc	Hydraulic disc	Hydraulic disc	Rim brake	Mechanical disc	Mechanical disc
Cockpit
Seatpost	Dropper seatpost	Rigid seatpost	Dropper seatpost	Rigid seatpost	Rigid seatpost	Rigid seatpost
Other specifications
Fork spring	Air	Air	Air	Coil	Coil	Coil
Suspension	Hardtail	Full suspension	Full suspension	Hardtail	Full suspension	Full suspension
Wheel size	26″	29″	29″	27.5″	27.5″	27.5″
Tire clearance	Not informed	Maximum tire width: 2.4″	Maximum tire width: 2.4″	Maximum tire width: 2.1″	Maximum tire width: 2.1″	Maximum tire width: 2.25″
Tire width	Not informed	2.4″	2.4″	2.1″	2.1″	2.1″