Featuring many of the aerodynamic benefits of the iconic DA time trial bike, the B Series offers triathletes and time trialists another option for achieving their fastest ride ever. Crafted using industry-leading carbon fiber expertise and aerodynamic development, the B Series comes ready to race right from the start.

Frame Felt Aero TT/Tri UHC Performance carbon fiber, MMC with InsideOut construction, 68mm BSA threaded bottom bracket shell, horizontal dropouts with integrated dropout adjusters, internal mechanical or electronic cable routing

Fork Felt Aero TT/Tri UHC Performance carbon fiber blades and dropouts, 1.125" aluminum steerer tube

Headset FSA integrated sealed cartridge bearing with Felt VariableHeight Cone Spacers (20mm PC, 4.5mm aluminum), Felt top cap, IS-21, 1.125"

Stem Devox Tri, ±17° rise, Ø31.8mm, 47cm (650c) : 60mm, 51cm: 80mm, 54 - 56cm: 90mm, 58cm: 100mm, 61cm: 110mm

Handlebar Devox Bayonet 3.1 base bar with Devox Ergomod extensions, Ø31.8mm, 48 - 51cm: 390mm, 54 - 58cm: 420mm

Grips Devox Gel tape and new EVA arm pads with anti-microbial cover

Shifters microSHIFT TT 11-speed

Front Derailleur Shimano Ultegra R8000 braze-on

Rear Derailleur Shimano Ultegra R8000 11-speed short cage

Crankset Shimano 105 R7000, 52/36T, 48 -51cm: 165mm, 54 -56cm: 170mm, 58cm: 172.5mm

Bottom Bracket Shimano Hollowtech BSA threaded

Chain Shimano 11-speed

Freewheel / Cassette Shimano 11-speed, 11-28T

Brake Levers Aero TT/Tri

Brake (Front) Shimano 105 R7000 dual pivot caliper

Brake (Rear) TRP T822 TT direct mount caliper brake

Saddle Prologo Nago Evo Tri40 T2.0

Seat post Felt DA/B Aero UHC Advanced carbon fiber, 350mm length

Seat post clamp Felt Aero Integrated DA/B

Wheels Devox 30A, tubeless compatible, 17mm width, 27mm depth

Front Hub Devox TTR4, 100mm QR, 24H

Rear Hub Devox TTR3, sealed cartridge bearing, 11-speed, 130mm QR, 28H

Spokes 2.0mm stainless steel

Tyre Vittoria Zaffiro Pro Slick folding, 700 x 23c, 47cm: Vittoria Rubino G+, 650 x 23c

Accessories Carbon assembly paste

Finish (Accent) Matte Obsidian Grey (Aquafresh)