Surly Ice Cream Truck

2020 MountainFat bike

Last known price: $2,099

Prices shown first for United States
Suspension: Rigid
Wheels: 26″
Drivetrain: 1 × 12 30t / 10–51t
Gear range: 510%
Frame: Steel
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 158–171
MD 168–180
LG 178–189
XL 186–199

Components

18 of 20 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

Surly Ice Cream Truck, 100% Surly 4130 Chromoly steel. Surly Ice Cream Truck, 100% Surly 4130 Chromoly steel. ED coated. Triple-butted main triangle. TIG-welded Not identified

Suspension

1 part

Fork
- Surly

Drivetrain

7 parts

Bottom bracket
- Race Face
Cassette
- Shimano SLX CS-M7100-12 12 speeds 10–51t
CS-M7100-12CS-M7100
Chain
- KMC
Crankset
- Race Face Aeffect
Front derailleur

None
Rear derailleur
- Shimano SLX RD-M7100 12 speeds
RD-M7100
Shifters
- Shimano SLX SL-M7100
SL-M7100

Brakes

3 parts

Wheels and tires

4 parts

Cockpit and contact points

5 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 427mm

Stack 598mm

Wheelbase 1131mm

Head angle 68.0°

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
Frame
Reachmm	405	427	449	472
Stackmm	588	598	607	616
Top tube lengthmm	585	610	635	660
Seat tube lengthmm	366	419	470	521
Head tube lengthmm	95	105	115	125
Head tube angle	68°	68°	68°	68°
Seat tube angle	73°	73°	73°	73°
Chainstay lengthmm	440	440	440	440
Wheelbasemm	1105	1131	1157	1182
Front centermm	672	698	724	749
Bottom bracket dropmm	60	60	60	60
Bottom bracket heightmm	283	283	283	283
Standover heightmm	777	803	831	860
Fork rakemm	47	47	47	47
Trailmm	88	88	88	89
Stack/reach ratio	1.45	1.40	1.35	1.31
Suspension and parts
Crank lengthmm	170	175	175	175
Handlebar widthmm	720	780	780	780
Stem lengthmm	60	70	80	90
Stem angle	7°	7°	7°	7°

Not published by the manufacturer: Front travel, Rear travel, Seatpost length and Dropper post travel.

Specifications

Frame and fork

Intended fit: Unisex
Frame material: Steel
Fork material: Steel

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 1
Smallest chainring: 30
Largest chainring: 30
Rear sprockets: 12
Smallest sprocket: 10
Largest sprocket: 51
Lowest gear: 15.3 in
Highest gear: 78.0 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Tire width: 4.8″
Travel: Front: Additional specification: Not available: Yes
Rear: Additional specification: Not available: Yes
Wheel material: Aluminum
Wheel size: 26″

Technical analysis

2 measures

How these figures sit among bicycles of the same class and model year. Context, not a ranking.

Lowest gear

15.3 gear inches

This value is below the central range for this class.

Cohort: Mountain / Fat bike Model year: 2020
Sample: 74 bicycles with this information
Coverage: 77.8% of the class

Highest gear

78.0 gear inches

This value is within the central range for this class.

Cohort: Mountain / Fat bike Model year: 2020
Sample: 74 bicycles with this information
Coverage: 77.8% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 5.9 km/h
Highest gear: 29.9 km/h

Total gear range 510%

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: 15.3–78.0 gear inches
Class reference (p10–p90): 15.6–89.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Fat bike Model year: 2020
Lowest gear: 74 bicycles with this information, 77.8% of the class
Highest gear: 74 bicycles with this information, 77.8% of the class