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2017 56cm SKU: BTT12397

Diamondback Serios Time Trial Bike - 2017, 56cm

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TPC Guarantee

Every bike receives our white glove, Certified Pre-Owned treatment, including a full pro-tune by our Master Mechanics in Louisville, CO. All CPO bikes are pristine and rolling beautifully before we pack and ship to your door.

- New chain for crisp shifting.
- New rear brake cable/housing for confident braking.
- New rear shifter cable/housing for crisp shifting.
- Superteam 60mm/88mm Carbon wheelset.

Master Mechanic's Notes
- Light scratches on down tube & drive side bottom bracket area.
- Light scratches on handlebars.

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141-Point Inspection

This bike passed our 141-point inspection to qualify to be a Certified Pre-Owned bike. It's free of structural damage and is in excellent cosmetic shape.

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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.

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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.

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Year 2017
Brand Diamondback
Model Serious
Size 56cm
Frame Material Carbon Fiber
Drivetrain Shimano, 2x11 spd
Weight 20 lbs 3 oz
Fork Diamondback Serios Aero Time Trial Unidirectional, Carbon
Brakes Shimano 105 R7010 Direct Mount, Caliper - Side Pull
Shifters Shimano Dura-Ace SL-BSR1 w/ Profile Design Brake Levers, Mechanical
Front Derailleur Shimano 105 R7000
Rear Derailleur Shimano 105 R7000
Bottom Bracket Shell Press fit
Crankset Vision Trimax Alloy, 52/36t, 175mm
Cassette SunRace, 11-28t
Chain Shimano
Handlebar Carbon Base Bar w/ Profile Design 35A Alloy Extensions, 42cm
Headset Diamondback
Stem Diamondback Carbon TT, 31.8mm x 110mm, 6°
Seatpost Diamondback Aero Carbon, Frame Specific
Saddle ISM PR1.0
Front Axle Spacing 9x100mm (Quick Release)
Rear Axle Spacing 10x130mm
Wheelset Superteam 60mm/88mm Carbon Clincher, Superteam
Front Tire Continental Grand Prix 4 Season, 700C x 25C
Rear Tire Continental Grand Prix 4 Season, 700C x 25C
Tire Type Clincher
Tubeless Compatibility Wheels are not tubeless compatible


Recommended Rider Height N/A
a. Effective Top Tube 568.3 - 527.7 mm
b. Seat Tube 566.1 mm
c. Seat Tube Angle 75 - 79°
d. Head Tube Angle 72.5°
e. Head Tube 145.9 mm
f. Stack 551.6 mm
g. Reach 420.6 mm
h. Standover Height 783.5 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.

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