Alchemy Ronin — Disc Shimano Ultegra Di2

2019 RoadGravel Manufacturer page

Last known price: $7,499

Prices shown first for United States
Suspension: Rigid
Wheels: 700c
Drivetrain: 2 × 11 34–50t / 11–34t
Gear range: 455%
Frame: Carbon
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

52cm 160–167
54cm 164–174
56cm 171–182
58cm 179–189
61cm 187–193

Components

16 of 16 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.

Drivetrain

7 parts

Brakes

2 parts

Wheels and tires

2 parts

Rims
- HED
Tires
- Teravail

Cockpit and contact points

5 parts

Sizes and geometry

5 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size 56cm

Table

Reach 393mm

Stack 574mm

Wheelbase 1030mm

Head angle 72.0°

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 5 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	379	388	393	399	418
Stackmm	532	552	574	594	614
Top tube lengthmm	530	549	563	575	601
Seat tube lengthmm	500	525	545	565	580
Head tube lengthmm	110	130	150	170	190
Head tube angle	71°	71.5°	72°	72.5°	72.5°
Seat tube angle	74.5°	74°	73.5°	73.5°	73.5°
Chainstay lengthmm	425	425	425	425	425
Wheelbasemm	1010	1020	1030	1035	1060
Front centermm	595	605	610	620	645
Bottom bracket dropmm	70	70	70	70	70
Bottom bracket heightmm	279	279	279	279	279
Standover heightmm	760	780	800	820	840
Fork rakemm	50	49	51	49	49
Trailmm	71.5	68.2	65	61.7	61.7
Stack/reach ratio	1.40	1.42	1.46	1.49	1.47

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: 34
Largest chainring: 50
Rear sprockets: 11
Smallest sprocket: 11
Largest sprocket: 34
Lowest gear: 29.0 in
Highest gear: 131.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Seatpost: Rigid seatpost
Shifting: Electronic

Additional specifications

Bottom bracket standard: BB86/BB92
Tire clearance: Maximum tire width: 45c; Additional specification: Wheel kind: 700
Tire width: 38c
Wheel material: Carbon
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

29.0 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2019
Sample: 449 bicycles with this information
Coverage: 89.2% of the class

Highest gear

131.8 gear inches

This value is within the central range for this class.

Cohort: Road / Gravel Model year: 2019
Sample: 449 bicycles with this information
Coverage: 89.2% of the class

Shifting

Electronic

65 of 503 bicycles with this information use electronic shifting.

Cohort: Road / Gravel Model year: 2019
Sample: 503 bicycles with this information
Coverage: 100.0% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 11.1 km/h
Highest gear: 50.5 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: 29.0–131.8 gear inches
Class reference (p10–p90): 24.4–131.8 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Road / Gravel Model year: 2019
Lowest gear: 449 bicycles with this information, 89.2% of the class
Highest gear: 449 bicycles with this information, 89.2% of the class

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 2019 builds

Differences across 2019 builds
Specification	This bicycle Alchemy Ronin — Disc Shimano Ultegra Di2	Alchemy Ronin — Disc Enve Dura-Ace Di2	Alchemy Ronin — Gravel Force eTap AXS	Alchemy Ronin — Gravel Red eTap AXS	Alchemy Ronin — Disc Enve Shimano Dura-Ace Di2	Alchemy Ronin Shimano GRX Di2
Drivetrain
Front chainrings	2	2	1	1	2	1
Smallest chainring	34	34	42	42	34	42
Largest chainring	50	50	42	42	50	42
Rear sprockets	11	11	12	12	11	11
Smallest sprocket	11	11	10	10	11	11
Largest sprocket	34	34	50	50	34	40
Lowest gear	29.0 in	29.0 in	24.4 in	24.4 in	29.0 in	30.5 in
Highest gear	131.8 in	131.8 in	121.8 in	121.8 in	131.8 in	110.7 in