1-800-777-0258 USA   1-541-687-0487 Intl
Order your Infinity Drive Silk:
  • Configure Online
Specs For This Model
  • Gates Carbon Drive CenterTrack Belt
  • NuVinci N360 Internal hub
  • Avid disc brakes
  • Threadless headset
  • No grease on drivetrain
  • Low maintenance drivetrain
  • Smooth ride
  • Easy fold
Infinity Drive Silk
Infinity Drive Silk
Infinity Drive Silk Infinity Drive Silk Infinity Drive Silk Infinity Drive Silk
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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!


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
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"/Disc 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, 118 tooth, Gates
Cranks: Alloy single 170mm 130 53t crank w/chain guard
Headset, Threadless: 1 1/4" BF Threadless cartridge, alloy, black, Headset
Hub Front: SRAM 406 32o front disc black
Hub Rear: Nuvinci 32o, black (w/ shifter, disc brake) (135)
Packing Materials BF: Packing & handling for shipping-Included in price
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 25.4 Ahead for Adj Riser(we will size w/ bike) no riser
Tires: Schwalbe Kojak 20 x1.35" (406) 55-95psi
Tubes: 20x1.125-1.5" SV (406x32-37)


No Relevant Support Articles found.


Bfa TravelBag, Standard 34"x 29"x 9" (Black)
Part No. 35
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Incredibell Grip Bell, Silver
Part No. 12448
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CatEye Strada Wireless CC-RD310W Cyclometer
Part No. 11913
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Silk Fender Set
Part No. 17263
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Direct mount black kickstand with Silk adapter
Part No. 17240
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Mirrycle Mirror - Mountain
Part No. 619
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Crank Brothers Pump 115psi (176mm, silver)
Part No. 6787
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Topeak Mini Dual DX w/guage(120psi/presta & schrader)
Part No. 705
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BF Front Low Mount 2015 EasyPack racks 25lbs @ side 50lb max
Part No. 19051
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BFTravTrailer Alu-Frame,Whls w/CS hitch, fits Travelcase
Part No. 972
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BF Flite TravelCase Black + BF packing system (Pocket Bikes)
Part No. 10968
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Design a Bike Friday Online