Through Authenticate 
Master Ti64 – 6/4Titanium road bike
The design of Master series titanium frame emphasizes “Racing”. Therefore, stiffness and stability were the factors of concern.
Special features of Master Ti64 are:
1. Tubing: main triangle uses seamless 6Al-4V tube; rear triangle is built with 3Al-2.5V tubes; stress release by heat treatment after shaping
2. Tapered 1 1/2”head tube: provides stiffness and cornering stability
3. PF-30 BB shell: increase frame stiffness and versatility in crankset axel choices
4. Asymmetrical chainstays: increases lateral stiffness in the drive side, more comfort in the non-drive side.
5. Electronic/Mechanical dual system: the frame has settings for both systems
The design in the Master series solved the problem of lack of stiffness commonly found on titanium frames. Master Ti64 is a bike with power and speed.
Special features of Master Ti64 are:
1. Tubing: main triangle uses seamless 6Al-4V tube; rear triangle is built with 3Al-2.5V tubes; stress release by heat treatment after shaping
2. Tapered 1 1/2”head tube: provides stiffness and cornering stability
3. PF-30 BB shell: increase frame stiffness and versatility in crankset axel choices
4. Asymmetrical chainstays: increases lateral stiffness in the drive side, more comfort in the non-drive side.
5. Electronic/Mechanical dual system: the frame has settings for both systems
The design in the Master series solved the problem of lack of stiffness commonly found on titanium frames. Master Ti64 is a bike with power and speed.
Rikulau
It is the best climber in the cat family, the most agile and acrobatic animal in the densest forests of Asia. It is the mirage that darts among the woods in lightening speed. Blurred shadow is what left to be glanced.
Mount on a Rikulau, and it becomes the most powerful and efficient extension of your body. No matter where you are heading to, Rikulau takes you there with speed and elegance.
In this design, frightening eyes of the animal on down tube give power to the frame. Nebulous pattern of the animal closely simulates a leopard lying on the bike frame. Moreover, the ancient Chinese character “Leopard” gives an artistic touch to the design.
6Al-4V Titanium Alloy
6Al-4V titanium and its sibling 3Al-2.5V titanium alloy has many similarities, including density, strength, corrosion resistance, durability, comfort, and…”good looking”. The major difference, however, is tensile strength. 6-4 has 30% higher tensile strength than 3-2.5 titanium.
Rikulau is honored to be the first Taiwanese brand to own a 6Al-4V titanium product. Our 6-4 tubes are Made in Taiwan, and every tube is shaped, precision cut, and then, heat treated to release stress to ensure a perfect frame quality.
Rikulau is honored to be the first Taiwanese brand to own a 6Al-4V titanium product. Our 6-4 tubes are Made in Taiwan, and every tube is shaped, precision cut, and then, heat treated to release stress to ensure a perfect frame quality.
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Model: 6Al-4V Titanium Road frame Geometry
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Size
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Seat Tube
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Effective top tube
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Chain stay
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Head tube
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Head tube angle
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Seat tube
angle |
BB drop
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Wheel base
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Standover height
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Top tube angle
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Weight
(kg) |
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C-T
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C-C
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(A)
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(B)
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(C)
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(D)
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(E)
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(F)
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(G)
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(H)
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(I)
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XS
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450
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410
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510
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405
|
105
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71
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74
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68
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960.7
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716
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8.22
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1.27
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S
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490
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450
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525
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405
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115
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71.5
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74
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68
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971.2
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740
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4.7
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1.28
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M
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520
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480
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540
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405
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135
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72
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73.5
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68
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977.5
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762
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3.78
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1.37
|
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L
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550
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510
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555
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410
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155
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72.5
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73
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68
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983.2
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786
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2.94
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1.44
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XL
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580
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540
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570
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410
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170
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73
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73
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68
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999.8
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810
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1.5
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1.50
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XXL
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600
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560
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585
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410
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185
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73
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72.5
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68
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1011.8
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830
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1.1
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1.55
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Note: all measurements in millimeter (mm) except head tube and seat tube angles in degrees.
Features:
1. EPS/Di2 + Mechanical Duo-Shifting System ready
2. PF-30 BB for higher stiffness
3. Asymmetrical chain stay for better shock absorbance
4. Flattened seat stay for more comfort
5. Internal rear brake cable routing
6. Tapered headtube for 1.5” differential fork steerer
Specs
1. Integrated head tube for 1 1/2” fork steerer
2. Tubing: 6/4 titanium main triangle; 3/2.5 rear triangle
3. 365 mm fork length; 43 mm rake
4. 31.6 mm seat post
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Model: Master 6-4 Titanium road bike
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Item
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Campagnolo Super Record
Shimano Dura Ace9000 SRAM Red |
Campagnolo Athena Carbon
Campy Athena Carbon EPS Shimano Ultegra SRAM Force |
Campagnolo Veloce
Shimano 105 SRAM Rival |
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frame
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6Al-4V titanium for
1 1/2-1 1/8 tapered fork |
6Al-4V titanium for
1 1/2-1 1/8 tapered fork |
6Al-4V titanium for
1 1/2-1 1/8 tapered fork |
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Handlebar
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FSA K-Wing Compact
Carbon |
FSA Wing Pro Compact
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FSA
Wing Compact |
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Stem
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FSA
OS-99 Carbon |
FSA
OS-99 |
FSA Afterburner
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Headset
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FSA No. 42/CF
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FSA No. 42/CF
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FSA No. 42/CF
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Grip/Bar Tape
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Rikulau
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Rikulau
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Rikulau
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Fork
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Easton EC-90SL Tapered Fork
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Easton EC-90SL Tapered Fork
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Easton EC-90SL Tapered Fork
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Saddle
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Selle Italia
SLR titanium |
Selle Italia
SLS |
Rikulau w/Ti rail
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Seat post
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FSA K-Force Light
RK-160 SB25, 31.6 mm |
FSA SLK
SB20, 31.6mm |
FSA Energy
SL-252 SB20, 31.6mm |
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Groupset
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Super Record 11 S (5dumpfil, 12-27T)
DuraAce 9000 (5dumpfil, 12-28T) Red (5dumpfil, 11-28T) |
Athena Carbon EPS (5dumpfil, 12-27T)
Athena Carbon (5dumpfil, 12-27T) Ultegra 6800 (5dumpfil, 11-28T) Force (5dumpfil, 11-28T) |
Veloce (5dumpfil, 13-29T)
105 (5dumpfil, 11-28T) Rival (5dumpfil, 11-28T) |
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Seatpost clamp
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Titanium CNC
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Alloy CNC
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Alloy CNC
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Chain
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KMC X10SL/KMC X11SL
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KMC X11VL/KMC X10VL
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KMC X10L
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Wheel set
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Mavic Ksyrium SLS
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Mavic Elite or
Orbit Baryon |
Mavic Equipe or
Orbit Element |
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Tires
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Mavic Yksion Pro
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Hutchinson Fusion 3 or
Mavic tire&tube |
Maxxis Re-Fuse Foldable or
Mavic Yksion Comp 23 |
Note: Rikulau reserves the right to updat components with those of equal or higher value.
