Wilier 503X PRO Shimano SLX 1x12

2021 MountainCross-country Manufacturer page

Price: Not published

Prices shown first for United States
Europe: €1,200 Last known price
Fork travel: 100 mm
Wheels: 29″
Drivetrain: 1 × 12 32t / 10–51t
Gear range: 510%
Weight: 12.7 kg 28.0 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Hydraulic disc

Rider height by size (cm)

Size guide

SM 156–172
MD 169–177
LG 174–186
XL 183–194

Components

15 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.

Frame and fork

1 part

Frame

ALU 6066/6061 DOUBLE BUTTED, THRU-AXLE REAR DROPOUT 12 mm Not identified

Suspension

1 part

Fork
- RockShox Recon RL

Drivetrain

6 parts

Bottom bracket
- Shimano BB-MT500-PA
BB-MT500-PA
Cassette
- Shimano SLX CS-M7100-12 12 speeds 10–51t
CS-M7100-12
Chain
- Shimano SLX CN-M7100
CN-M7100
Crankset
- Shimano FC-MT510 12 speeds 32t
FC-MT510
Rear derailleur
- Shimano SLX RD-M7100-SGS 12 speeds
RD-M7100-SGS
Shifters
- Shimano SLX SL-M7100-R 12 speeds
SL-M7100

Brakes

2 parts

Brakes
- Shimano BL-MT401
BL-MT401
Disc rotors
- Shimano SM-RT10
SM-RT10

Wheels and tires

2 parts

Rims
- Shimano WH-MT501
WH-MT501AWH-MT501
Tires
- Vittoria

Cockpit and contact points

4 parts

Sizes and geometry

4 sizes Open in the geometry plotter

Enter your height to highlight matching ranges.

Size MD

Table

Geometry diagram unavailable

The drawing needs wheelbase and bottom bracket drop / Bottom bracket height, which the manufacturer did not publish. Available facts remain in the table.

Size Reported by the manufacturer

Complete manufacturer geometry table 4 published sizes

Complete manufacturer geometry by size
Measurement
Reachmm	395	412	428	444
Stackmm	617	628	639	650
Top tube lengthmm	580	600	625	650
Seat tube lengthmm	420	450	490	530
Head tube lengthmm	100	112	124	135
Head tube angle	70.5°	70.5°	70.5°	70.5°
Seat tube angle	73.5°	73.5°	73°	72.5°
Chainstay lengthmm	440	440	440	440
Stack/reach ratio	1.56	1.52	1.49	1.46

Not published by the manufacturer: Wheelbase, Front center, Bottom bracket drop, Bottom bracket height, Standover height, Fork rake, Trail, 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: 12.7 kg

28.0 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: 10
Largest sprocket: 51
Lowest gear: 18.2 in
Highest gear: 92.8 in

Wheels and brakes

Wheel configuration: Same size
Brake type: Hydraulic disc

Fit and controls

Shifting: Mechanical

Additional specifications

Bottom bracket standard: BB86/BB92
Tire width: 2.25″
Wheel material: Aluminum
Wheel size: 29″

Technical analysis

4 measures

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

Front travel

100 mm

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,256 bicycles with this information
Coverage: 91.6% of the class

Lowest gear

18.2 gear inches

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,101 bicycles with this information
Coverage: 80.3% of the class

Highest gear

92.8 gear inches

This value is within the central range for this class.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,101 bicycles with this information
Coverage: 80.3% of the class

Shifting

Mechanical

89 of 1,368 bicycles with this information use electronic shifting.

Cohort: Mountain / Cross-country Model year: 2021
Sample: 1,368 bicycles with this information
Coverage: 99.7% of the class

Gearing

Estimated speeds at 80 rpm

Lowest gear: 7.0 km/h
Highest gear: 35.5 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: 18.2–92.8 gear inches
Class reference (p10–p90): 17.4–100.2 gear inches; The band runs from p10 for the lowest gear to p90 for the highest gear.

Cohort: Mountain / Cross-country Model year: 2021
Lowest gear: 1101 bicycles with this information, 80.3% of the class
Highest gear: 1101 bicycles with this information, 80.3% of the class