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Robert Taylor's Personal Website

Bob Jackson Custom Commuter/Touring Bike

This is the result of my attempt to build the ultimate, at least for my use, commuter bike. It is also capable of loaded touring.


Click Here to See More Photos of This Bike


Parts List / Specifications


Frameset

Special Tourist Frame and Fork from Bob Jackson Cycles in Leeds, England.

Features

  • Handmade to order, silver brazed, lugged construction of Reynolds 631 tubing for main tubes and Reynolds 525 for seatstays and chainstays.
  • Rohloff sliding rear dropouts.
  • Complete braze-ons for touring: double eyes on front and rear dropouts, L&R lever bosses, chain hanger, low rider fittings, rack eyes on seat stays, 3 sets water bottle fittings.
  • Cantilever brake bosses.
  • Custom paint, chrome front fork tips and right chain stay
  • Shimano Dura Ace threaded headset.

Geometry

  • Size (center to top): 20.5 inches
  • Top tube length: 21 inches
  • Chain stay length: 44.0 cm
  • Head angle: 72 degrees
  • Fork rake: 55 mm
  • Steerer tube size: threaded, 1 inch
  • Seat angle: 74 degrees
  • Seat tube inner diameter: 27.2 mm
  • Bottom bracket height: 10.5 inches
  • Rear dropout Spacing: 135 mm for Rohloff Speedhub
  • Clearance for fenders (mudguards)
  • Wheel size: 26 inch

Drive Train

  • Bottom bracket: Shimano UN-73, tapered square style axle, hollow spindle, ISO/English threading, 68 mm width, length 127.5 mm
  • Crankset: Sugino RD Crank Set, 165 mm arm length, 48 tooth
  • Pedals: Shimano SPD Road Touring Pedal, PD-A530, SPD clip on one side of each pedal and a platform on the other so the bike can be ridden with regular shoes or SPD-cleated bike shoes
  • Chain: SRAM PowerChain 830, 3/32", 8 speed with PowerLink
  • Chainguard: Wald, 20" (#620), chrome, modified by trimming width
  • Internal gear hub: Rohloff Speedhub 500/14 XC-OEM1, polished aluminum, 16T cog
  • Shifter and Shifter Cables: Rohloff with shifter mounted on cutoff Pyramid ATM short bar end, silver, on upright portion of stem. See this page for more information about the cable routing and problems that I had related to it.

Gearing Analysis (Adobe Acrobat pdf format)


Braking System

  • Brakes: Shimano BR-R550 deluxe center-pull cantilevers
  • Brake Levers: Cane Creek SCR-5C compact Æro levers, silver
  • Brake Cables: Jagwire Quality Stainless Slick ® Teflon, road
  • Brake Housing: Jagwire Expressway L3, black
  • Brake pads: Kool Stop v-type, black compound for rear, green/ceramic compound front

Wheels - Hand-Built by Peter J. White

  • Front Hub: Schmidt SON28, 32 hole, silver
  • Front Skewer: Generic quick release, 100 mm
  • Rear Hub: Rohloff Speedhub 500/14 XC-OEM1, 32 hole, polished aluminum, 16T cog
  • Rear Skewer: Generic quick release, 135 mm
  • Spokes: Wheelsmith DB 14, 32 count
  • Front Rim: Mavic EX721 ceramic, 32 hole, 559 x 21, width 28.2 (interior width 21 mm, should fit tire width of 35 to 50-559)
  • Rear Rim: Mavic D521, 32 hole, 559 x 21, width 28.2 (interior width 21 mm, should fit tire width of 35 to 50-559)
  • Rim tape: Velox cloth, 22 mm width
  • Tubes: Schwalbe AV12A
  • Tube Sealant: Slime
  • Tires: Schwalbe Marathon Plus, 26 x 1.35, (ETRTO 35-559)

Seat

  • Saddle: Brooks B17 Special, black
  • Saddle Rain Cover: Brooks
  • Seatpost: Salsa Shaft, 250 mm x 27.2 mm, black

Hands

  • Handlebar: Nitto 177 "Noodle", 44 cm, 26 mm center
  • Tape: Deda, black
  • Stem: Nitto Technomic, 1" quill, 90 length, Italian 26.0 mm bar clamp
  • Headset: Shimano Dura Ace, 1" threaded

Lighting System

  • Hub Generator: Schmidt SON28
  • Front Light: Busch & Müller Lumotec IQ Cyo R Senso Plus Chrome Plated
  • Tail Light: Busch & Müller Dtoplight Plus, mounted to rear rack

Racks and Bags

  • Front Rack: Tubus, Tara, black, model #20000
  • Rear Rack: Tubus, Cargo, black, 26", model #12000
  • Rear Panniers: Arkel, GT-54, black, pair
  • Rear Pannier Covers: Arkel, custom GT-54 rain cover, pair
  • Right Front Pannier: Arkel G-18, black
  • Left Front Pannier: Arkel GT-18 BP, black, converts to backpack
  • Front Pannier Covers: Arkel front pannier covers, pair
  • Handlebar Bag: Orltieb Ultimate 5 plus, large, black

Other Accessories

  • Rear View Mirror: Third Eye bar end
  • Water Bottle Cages: Generic alloy, black
  • Kickstand: Greenfield Stabilizer rear mount
  • Fenders (Mudguards): SKS Chromoplastic, P55, black, set
  • Mud Flaps: SKS Mudflap, P50/P55, black
  • Lock: Axa SL7, ring lock, black
  • Lock Cable: Axa 180cm Click in Cable for SL7 Lock
  • Computer: Cateye Strada Cadence