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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.

Bob Jackson Commuter/Touring Bike

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