PLAN B
BRIDE
"The day I met her, the weather was perfect for a wedding."
A Gentle Companion
Maybe I've passed the age where seeing a Madone or an S-Works on the road makes me turn and chase. This time, I chose a gentle companion. As her name suggests — the day I met her, the weather was perfect for a wedding.
The geometry references Giant's Defy and Specialized's Roubaix — a pure endurance machine by the numbers. My goal: a ride partner that's comfortable, doesn't sacrifice speed, has a docile personality, and looks stunning. A wolf in sheep's clothing.
Integrated Seat Post
The frame's signature feature: a one-piece integrated seat post paired with a 3D-printed titanium seat clamp. 15mm setback, expansion-lock design. I expected a pile of failed prototypes — it worked on the first try.
Butted Tubing & Rear Triangle
Down tube, top tube, and seat tube all use 0.9–0.7–0.9mm butted tubing — slightly more expensive than straight-gauge, but the weight savings make every yuan worthwhile.
A small linkage bridge connects the seat tube to the seatstays — adding longitudinal rigidity under sprinting loads without harshness. The derailleur hanger is purpose-built for RED; no UDH, no alternatives.
1260g of Pure Speed
A full-carbon unbranded wheelset from a top Xiamen factory. 55mm rim depth, 28mm internal width, carbon fiber spokes, tubeless ready. The numbers speak for themselves.
Component Selection
DRIVETRAIN
SRAM RED AXS
1× | 44T / 10-33T
WHEELSET
Carbon 55mm Unbranded
1260g | CF Spokes
CRANKSET
Domestic CNC (44T)
T47-68-29 Ceramic BB
TIRES
Vittoria 30C
Black Edition | 32mm Clearance
SEAT CLAMP
3D Printed Ti
15mm Setback | Expansion Lock
ON DISPLAY
ID Cycling, Shanghai
Houtan
TECHNICAL SPECIFICATIONS
TYPE
Endurance Road
GEOMETRY REF
Defy / Roubaix
DRIVETRAIN
SRAM RED 1×
TUBING
Butted 0.9-0.7-0.9
WHEELSET
Carbon 55mm
TIRE CLEARANCE
32mm Max
BOTTOM BRACKET
T47-68-29
DERAILLEUR
RED-Only Hanger