Radiant

  • Enter specific requests for custom colors, alternative components, etc. A Dimond representative will contact you.

Bikes made ready upon order. Leadtimes may vary based on demand. Current orders to ship within 8 weeks.

Explore the Radiant

After several years of innovative and wind tunnel tested prototypes the Dimond Radiant is the first official road bike in the line-up for Dimond. The Radiant is everything you would expect from Dimond: lightweight, aero, responsive, beautiful, and of course…FAST. When Dimond first started shipping bikes to customers in 2014 the first road bike prototypes were created and since then the goalposts have kept moving and so have the prototypes. The Dimond Radiant is not just another road bike offering but an aerodynamic performance machine deserving of the name badge, Dimond. Made of the highest quality unidirectional pre-preg carbon fiber utilizing a proprietary molding method with EPS foam core material, the Radiant is in a league of its own. The Radiant is the perfect compliment to your Dimond triathlon bike but it also feels right at home on the international race scene from crits to road races.

Fully integrated barstem

Cabling is as clean as it gets with the Red Crown Raven one-piece barstem and integrated headset. Internal cable routing channels and a slick headset and spacer system make shifting and brake lines disappear for an ultra clean look. 35mm of spacers are available in 5mm increments for stack height adjustment above the headtube. The all carbon barstem can be painted to match your frame and is available in multiple sizes.

Raven Barstem available sizes:

Bar Width: 380, 400, 420, 440 mm
Stem Length 90, 100, 110, 120 mm

Flush Mount Shimano Di2 port

Shimano electronic groupset users will enjoy easy access to the Di2 charging port in its convenient location on the frame’s downtube. It is situated perfectly to be concealed and protected while riding, yet immediately accessible for battery charging between rides. Alternative covers are available for builds using other groupsets.

Geometry

lengths listed in mm unless otherwise noted Size 49cm Size 52cm Size 54cm Size 56cm Size 58cm
STACK 518 530 552 572 596
REACH 372 378 382 393 401
TOP TUBE LENGTH 510 530 540 562 577
SEAT TUBE LENGTH 470 500 520 540 560
SEAT TUBE ANGLE 75º 74º 74º 73.5º 73.5º
HEAD TUBE LENGTH 105 115 135 155 180
HEAD TUBE ANGLE 71.5º 72.5º 73º 73.5º 73.5º
FRONT-CENTER 573 575 581 593 607
CHAINSTAY LENGTH 405 405 405 405 405
BB DROP 72 72 72 72 72
WHEEL BASE 967 969 975 987 1002

Build Specifications

SRAM RED AXS 1×12 or 2×12 SRAM Force AXS 1×12 or 2×12 Shimano Ultegra Di2 2×11 Shimano 105 2×11
Frame Radiant Ultralight UD Carbon Radiant Ultralight UD Carbon Radiant Ultralight UD Carbon Radiant Ultralight UD Carbon
Fork Red Crown Aero Road Disc Red Crown Aero Road Disc Red Crown Aero Road Disc Red Crown Aero Road Disc
Headset Integrated 1 1/8″ – 1 1/2″ Integrated 1 1/8″ – 1 1/2″ Integrated 1 1/8″ – 1 1/2″ Ritchey Comp
Seatpost Radiant Aero Setback Radiant Aero Setback Radiant Aero Setback Radiant Aero Setback
Stem / Handlebar Red Crown Raven integrated barstem Red Crown Raven integrated barstem Red Crown Raven integrated barstem Ritchey Switch / EVO Curve Comp
Saddle Fizik Arione Fizik Arione Fizik Arione Shimano PRO Falcon
Shifters SRAM Red eTap AXS hrd SRAM Force eTap AXS HRD Shimano Ultegra ST-R8020 Shimano 105 ST-R7020
Front Derailleur none or SRAM RED AXS none or SRAM FORCE AXS Shimano Ultegra FD-R8050 Shimano 105 FD-R7000
Rear Derailleur SRAM RED AXS SRAM FORCE AXS Shimano Ultegra RD-R8050 Shimano 105 RD-R7000
Brake Calipers SRAM Red HRD SRAM Force HRD Shimano BR-R8070 Shimano BR-R7070
Rotors SRAM Centerline XR 140mm SRAM Centerline XR 140mm Shimano SM-RT800 140mm Shimano SM-RT54 160mm
Crankset SRAM RED DUB SRAM FORCE DUB Shimano Ultegra FC-R8000 Shimano 105 FC-R7000
Bottom Bracket Wheels Mfg. XD-15 Wheels Mfg. XD-15 Shimano SM-BB72 Shimano SM-BB72
Cassette SRAM RED XG-1290 10-33T SRAM FORCE XG-1270 11-33T Shimano Ultegra CS-R8000 11-28T Shimano 105 CS-R7000 11-30T
Chain SRAM RED Flat-top SRAM FORCE Flat-top Shimano CN-HG701 Shimano CN-HG601
Tires Continental GP5000 700×25 Continental GP5000 700×25 Continental GP5000 700×25 Continental Ultra Sport 700×25
Tubes Continental Tube Continental Tube Continental Tube Continental Tube
Wheels Red Crown 40mm Red Crown 40mm Red Crown 40mm Shimano WH-RS171

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