Mason Definition Road Bike - 50cm drive side Mason Definition Road Bike - 50cm non-drive side Mason Definition Road Bike - 50cm sticker Mason Definition Road Bike - 50cm drivetrain Mason Definition Road Bike - 50cm front wheel Mason Definition Road Bike - 50cm cockpit Mason Definition Road Bike - 50cm crank Mason Definition Road Bike - 50cm detail 1 Mason Definition Road Bike - 50cm detail 2
N/A 50cm SKU: BRD14841

Mason Definition Road Bike - 50cm

Regular price

return icon 30-day returns
shipping icon $94.99 RideFast Shipping

This bicycle is backed by the TPC Quality Assurance program.

This bicycle has been professionally serviced by our mechanics.

Light wear and tear from cable rub, heel rub, chain, etc.

Frame is Aluminum model which was produced in very short quantities.

inspection image

TPC Guarantee

This bike passed a 141-point inspection and received a full pro-tune by our Master Mechanics in our Certified Pre-Owned process. CPO bikes are pristine and ready to ride!

Learn more
returns image

30-Day Hassle-Free Returns

Shop with confidence. Every bike is covered by our 30-day satisfaction guarantee. If this bike isn’t perfect for you, get in touch and we’ll help you find the right bike.

Learn more
shipping image

RideFast Shipping

Assemble your bike in 15 minutes or less! Our bikes ship in our RideFast box for speed and safety. All tools you need to assemble are included.

Learn more


Year N/A
Brand Mason
Model Definition
Size 50cm
Frame Material Aluminum
Weight 18 lbs 13 oz
Fork Mason Aperture, Carbon Fiber
Brakes TRP Hylex, Disc Brakes - Hydraulic
Shifters Shimano Di2 R600, Electronic
Front Derailleur N/A
Rear Derailleur Shimano Ultegra Di2 6870
Crankset Shimano Ultegra 6800 w/ Wolf Tooth Drop-Stop chainring, 42t, 165 mm
Cassette SunRace, 11spd, 11-32t
Chain SRAM PC-Red 22
Handlebar Zipp Service Course 70 Ergo alloy, 44 cm
Headset Deda
Stem FSA OS 190 alloy 31.8 mm x 90mm, 6°
Seatpost Mason Carbon, 27.2mm
Saddle Prologo Kappa EVO w/ Pro T 2.0 rails
Wheelset Hunt Four Season Carbon Disc, Hunt
Front Tire Schwalbe Pro 1, 700C x 28C
Rear Tire Schwalbe Pro 1, 700C x 28C
Tire Type Clincher
Tubeless Compatibility Yes (rim strips and valve stem not included)
Charger Included Yes


Recommended Rider Height 157 - 168cm
a. Effective Top Tube 532.8 mm
b. Seat Tube 500 mm
c. Seat Tube Angle 74.5°
d. Head Tube Angle 71.5°
e. Head Tube 130 mm
f. Stack 543.3 mm
g. Reach 380.6 mm
h. Standover Height 756.5 mm
i. Saddle Height Range N/A

“I love this company! My beautiful bike arrived promptly, was packed brilliantly, and tuned perfectly. It was exactly as described.”

— Kari K.


“In the past month, I purchased a road bike and MTB from TPC. Very happy with the price and condition of both bikes! I was riding the bikes 10 minutes after I received them.”

— David H.

Newsletter Sign Up