Bombtrack Tempest-C

Name: Bombtrack Tempest-C
Brand: Bombtrack

2020 RoadRace Manufacturer page

Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 11 36–52t / 11–28t
Gear range: 368%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

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

Components

17 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

TORAY T700/T800 Hi-Mod carbon, TA dropout, replaceable hanger, 68 mm T47 shell Not identified

Suspension

1 part

Fork

full carbon TA disc fork, 1.1/2" - 1.1/8" tapered steerer, internal cable / hose routing Not identified

Drivetrain

7 parts

Bottom bracket

T47 sealed BB for 24 mm spindle Not identified
Cassette
- Shimano Ultegra CS-R8000 11 speeds 11–28t
CS-R8000
Chain
- KMC X11 11 speeds
Crankset
- Shimano Ultegra FC-R8000 52/36t
FC-R8000
Front derailleur
- Shimano Ultegra FD-R8000-F 2 speeds
FD-R8000
Rear derailleur
- Shimano Ultegra RD-R8000-SS 11 speeds
RD-R8000-SSRB-R8000-SS
Shifters
- Shimano Ultegra ST-R8020
ST-R8020

Brakes

1 part

Brakes
- Shimano Ultegra BR-R8070
BR-R8070

Wheels and tires

4 parts

Cockpit and contact points

7 parts

Other components

3 parts

Fenders

None
Lights

None
Racks

None

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Reach 384mm

Stack 543mm

Wheelbase 985mm

Head angle 73.0°

Seat angle 73.5°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 700c 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	381	384	398	401
Stackmm	518	543	578	597
Top tube lengthmm	525	545	575	589
Seat tube lengthmm	500	540	580	600
Head tube lengthmm	115	140	175	195
Head tube angle	72°	73°	73.5°	73.5°
Seat tube angle	74.5°	73.5°	73°	72.5°
Chainstay lengthmm	415	415	415	415
Wheelbasemm	982	985	1005	1014
Front centermm	578	580	600	608
Bottom bracket dropmm	72	69	69	69
Bottom bracket heightmm	264	267	267	267
Standover heightmm	751	774	810	828
Fork rakemm	45	45	45	45
Trailmm	61.9	55.7	52.6	52.6
Stack/reach ratio	1.36	1.41	1.45	1.49

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: Carbon
Fork material: Carbon

Suspension

Suspension configuration: Rigid

Drivetrain

Derived by Bikelake

Front chainrings: 2
Smallest chainring: 36
Largest chainring: 52
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 28
Lowest gear: 37.3 in
Highest gear: 137.1 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Mechanical

Additional specifications

Bottom bracket standard: T47
Tire clearance: Maximum tire width: 28c; Additional specification: Wheel kind: 700
Tire width: 25c
Wheel material: Aluminum
Wheel size: 700c

Technical analysis

3 measures

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

Lowest gear

37.3 gear inches

This value is above the central range for this class.

Cohort: Road / Race Model year: 2020
Sample: 506 bicycles with this information
Coverage: 80.7% of the class

Highest gear

137.1 gear inches

This value is within the central range for this class.

Cohort: Road / Race Model year: 2020
Sample: 506 bicycles with this information
Coverage: 80.7% of the class

Shifting

Mechanical

251 of 627 bicycles with this information use electronic shifting.

Cohort: Road / Race Model year: 2020
Sample: 627 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 14.3 km/h
Highest gear: 52.5 km/h

Total gear range 368%

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: 37.3–137.1 gear inches
Class reference (p10–p90): 30.8–139.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Race Model year: 2020
Lowest gear: 506 bicycles with this information, 80.7% of the class
Highest gear: 506 bicycles with this information, 80.7% of the class