1-800-777-0258 USA  • 1-541-687-0487 International
Order your Silk Infinity-Nuvinci/C6Drive 406:
  • Configure Online
Specs For This Model
  • Gates Carbon Drive CenterTrack Belt
  • NuVinci Continuous Variable Hub
  • Avid disc brakes
  • Threadless headset
  • Smooth ride
  • Low maintenance drive train
  • No greasy chain
  • Weatherized
Silk Infinity-Nuvinci/C6Drive 406
Silk Infinity-Nuvinci/C6Drive 406
Silk Infinity-Nuvinci/C6Drive 406 Silk Infinity-Nuvinci/C6Drive 406 Silk Infinity-Nuvinci/C6Drive 406 Silk Infinity-Nuvinci/C6Drive 406
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The 2013 Silk Infinity brings the smooth, quiet and clean combination of Gates Carbon Belt Drive technology with a NuVinci 360N Continuous Variable Transmission Internal Hub.

The Silk Infinity includes an upgrade to the new Bike Friday cartridge threadless headset.

The 2013 Silk Infinity includes the new Bike Friday cartridge threadless headset, a Gates Carbon CenterTrack Belt Drive to go with the NuVinci Internal Hub, Avid disc brakes and Kenda Kontact tires.

The Silk Infinity can be set up with 406 or 451 wheels, giving you a vast range of options to design the bike for touring, road riding, commuting -- you name it!


2a Main frame: 50 Silk main frame, 2" x .035 (to -220lbs)
2d Seatmast: 01 .1 Left Fold Mast 2010> Silk/NWT/ PR / PL std .055 CrMo
2e Risers & BF Custom stems: BF Stem Riser, Adjustable for / Ahead,1 1/4" SVS
Accessories: Engraved Name Plate -bike comes w/custom engravd name plate
Bars: MTB flat Kalloy 15degree flat bars,25.4 x 560mm
Bar Tape & Grips: Grab On Foam Grips
BB bearing: 111.5mm BF Sealed 68xEnglish
Bottle Cages: Bottle Cage , Cateye Flexible
Bottles: BF 21oz. water bottle white w/black lid - black logo
Brake Levers: Tektro "V" style Brake Levers (2 finger)
Brakes: Avid Disc Brake, MTB F/R BB 7 w/160 Cable
Cables: Cable - Housing Black std w/ Decals Black or White
Cassette: Carbon Drive, centertrack, 24 tooth cog for Nuvinci
Chainrings: Carbon Drive Centertrack 60T 130BCD Sprocket, Gates
Chains: Carbon Drive belt, centertrack, 115 tooth, Gates
Cranks: Alloy single ring cotterless (165,170,175) w/53t CHOOSE
Headset, Threadless: 1 1/4" BF Threadless cartridge, alloy, black
Hub Front: SRAM 406 32o front disc black
Hubs geared R: Nuvinci 32o, black (w/ shifter, disc brake) (135)
Packing Supplies: Packing & Handling - Ready to ride pick up at Bike Friday
Pedals: yNone supplied std. Choose if you want us to supply
Rims: Alex X-101 Alum (406) 32o 20 x 1.5" Silver
Saddle: y NONE SUPPLIED - add if you want us to supply
Seatpost: Kalloy #243 silver adjust post 28.6 x 350mm
Shifters/Controls: y Supplied with hub
Spokes: Spokes DT 14 ga. Stainless w/ brass nipples
STEMS F: BF Ahead style 4 bolt(60,75,90,105,120mm) we size or CHOOSE
Tires: Schwalbe Marathon 20 x 1.5" (406) 55-100psi
Tubes: 20x1.125-1.5" SV (406x32-37)


No Relevant Support Articles found.


SFF UnderBag Black for Folding Racks , Pocket bikes only
Part No. 15435
more info

Bfa TravelBag, Standard 34"x 29"x 9" (Black)
Part No. 35
more info

Incredibell Bar End, chrome
Part No. 104
more info

Incredibell Grip Bell, Brass
Part No. 14533
more info

Incredibell Grip Bell, Silver
Part No. 12448
more info

z Velocity Bottle Trap Green
Part No. 14744
more info

CatEye Strada Wireless CC-RD310W Cyclometer
Part No. 11913
more info

Silk Fender Set
Part No. 17263
more info

Direct mount black kickstand with Silk adapter
Part No. 17240
more info

zLights-Planet Bike Blinky 1200x battery light Set
Part No. 8195
more info

Mirrycle Mirror - Mountain
Part No. 619
more info

Tiger Eye Helmet Mount Bike Mirror w/ BF Logo
Part No. 17831
more info

Topeak Mini Dual DX w/guage(120psi/presta & schrader)
Part No. 705
more info

Crank Brothers Pump 115psi (176mm, silver)
Part No. 6787
more info

BFTravTrailer Alu-Frame,Whls w/CS hitch, fits Travelcase
Part No. 972
more info

BF Flite TravelCase Black + BF packing system (Pocket Bikes)
Part No. 10968
more info

Design a Bike Friday Online