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With passion, innovation and implement, we pour out our heart and soul to create every exciting pioneering in steel bike world.
Now, TD25 is Speed one’s first racing bike used by disc brake.

TD25 is made by Reynolds 525 and the ultimate tensile strength of frame is 700~900 MPa.
The shape of TD25 is fluent arc design and features the extraordinary split top tube,
which making steel bike more charismatic and super cool eye catching to let you be in the limelight!

In order to enhance convenience and comfort on the long ride, TD25 also keep bolt-hole for both of luggage carrier and fender use that every owner can easy to assemble at will.

Item Sram Rival22      
Size 42, 46, 50, 54 cm      
Frame Reynolds 525      
Fork Speed one Cr-Mo Fork      
Shock N/A      
Headset Token Omega A1K 1-1/8" 36°      
Braze on Adapter N/A      
Colors Scotch-brite      
Front Derailleur Sram Rival22      
Rear Derailleur Sram Rival22      
Shifter Sram Rival22 DoubleTap Controls      
Brakes TRP Spyre Disc      
Crankset Sram Rival22 50-34T      
BB adapter N/A      
Cassette Sram PG1130 11-32T 11sp      
Chain KMC X11L-Ti (Gold) 11sp      
Handlebar FSA Wing Pro Compact      
Stem FSA Energy      
Seatpost FSA Energy SBS SB20 ø27.2      
Wheel Set Amain T. RD30      
Tires Maxxis Detonator 700x25C      
Saddle Prologo Nago-Evo STN      
Bar Tape/Grip FSA HB030 black      
Weight(w/o pedal) 9.8 kg(50 cm)      


Specifications are subject to change without notice.Color availability depends on current stock.

BB30 - New BB Industrial Standard

The BB30 system is new BB industrial standard. The BB30 crankset is 10% stiffer, 20% lighter, and provides 300% more ankle clearance than the GXP system. The results are an impressive increase in rigidity in the frame and crankset, better durability, lighter weight, and more ergonomic design for the crankset. With so many advantages, it’s hard to deny the validity of this system.

The maintenance of steel frame

The charming slim tube, the timeless epic, faithful paddle power, excellent rough road absorption, these steel bike character is too strong temptation for the cyclist to resist. All Speed one bike have complicated electroplating rust treatment when it ship out the factory.