Bino: Dahon Vitesse T20

This is a folding bicycle originally meant for basic commuter use.

Since purchase, I have outfitted Bino to grow along with my strengths as a cyclist – at slightly greater cost than expected. Frame joint problems in the past have sidelined him more than I’d like, but he now sports a full 2×10-speed drivetrain and sees duty on both the turbo trainer and on short trips.

Acquisition as Vitesse D7

Newson Sportec x LitePro custom wheelset by Tryon

T10 upgrade: Shimano Tiagra 4600 rear drivetrain

Ergon GP3-S handlebar grips with integrated bar ends

WTB Silverado Sport saddle + Cat Eye RM-1 saddle rail mount + Rapid 5 TL-LD650 safety light

Shimano Alivio Trekking T4000 brake hardware

T20 upgrade: Shimano Tiagra front shifter and front derailleur + FC-R565 crank

Shimano Saint PD-MX80 flat pedals

Cat Eye Volt 800 front light

Shimano Deore PD-M530 SPD pedals

CURRENT SPECIFICATIONS

FRAME AND FORK

  • Dahon KA-series 6061 aluminum alloy folding frame
    • 130 mm O.L.D.
    • ViseGrip main frame hinge and latch
    • Vertical quick-release dropouts
    • Non-replaceable rear derailleur hanger
  • Dahon chromoly steel fork, 74 mm O.L.D., vertical quick-release dropouts
  • Dahon aluminum telescoping handlepost
  • Dahon Magnetix system

DRIVETRAIN

  • Shimano 105 CN-5701 10-speed chain
  • Shimano FC-R565 road double crankset, 172.5 mm arms, 50/34T
  • Shimano Ultegra SM-BBR60 Hollowtech II outboard bottom bracket
  • Shimano Tiagra FD-4600-F braze-on front derailleur
    • LitePro SP8 front derailleur adapter
  • Shimano Tiagra SL-4603 triple front trigger shifter
  • Shimano Tiagra CS-4600 10-speed cassette, 12-30T
  • Shimano Tiagra RD-4600-GS rear derailleur
  • Shimano Tiagra SL-4600 10-speed rear trigger shifter
  • Shimano SP-41 shift cable housing
  • Shimano steel shift cables

ROLLING STOCK

  • 20″ (406 mm) custom wheelset by Tryon
    • LitePro folding bike hubs, 74mm F, 130 mm R, anodized red
    • Newson Sportec rims, silver, 406 mm x 14 mm
    • Newson Sportec spokes and nipples, black
  • F: Schwalbe Marathon Racer tire, 20″ x 1.5″ (ISO 40-406), reflective sidewall
  • R: Schwalbe Marathon Racer tire, 20″ x 1.5″ (ISO 40-406), reflective sidewall

BRAKES

  • Shimano Alivio Trekking BR-T4000 V-brake arms front and rear
  • Shimano Alivio Trekking BL-T4000 brake levers
  • Shimano V-brake pads
  • Brakco brake cables

COCKPIT

  • Dahon 25.4 mm x 580 mm aluminum alloy flat handlebar
  • Dahon 33.9 mm x 580 mm aluminum alloy oversize seatpost
  • Ergon GP3-S grips with integrated bar ends
  • WTB Silverado Sport saddle, 133 mm x 274 mm
  • Shimano Deore XT PD-T780 SPD+Flat trekking pedals

ACCESSORIES

  • Topeak Wedge Drybag S saddle bag
  • Cat Eye Rapid 5 TL-LD650 rear safety light
    • Cat Eye RM-1 saddle rail mount
  • Cat Eye Volt 800 HL-EL471RC front light
  • SKS chromoplastic fenders
  • SKS long rubber mudflap
  • Lezyne Power Cage aluminum bottle cage
  • Beto quick-release bottle cage x 2
  • Giyo GP-61S mini pump
  • Biologic Portage rear rack
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6 thoughts on “Bino: Dahon Vitesse T20

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