Retrospec Mantra 7 Urban Bike

Mantra-7 sports the same beloved features as our esteemed fixed-gear, but takes on new roads as a tough, seven-speed, versatile commuter. Mantra’s 7-speed Shimano Altus drivetrain and RevoShift grip shifter are equipped to handle hills, trails, and city s

Quantity: 1

rameset:

  • Hand Built tig-welded high-tensile steel, "UrbanComfort" design, bar-spin clearance with no toe overlap
  • Unicrown, Threadless, 28.6mm, fender-eyelet
  • Internal rear brake cable routing
  • 2 sets water bottle braze-ons
  • Rear rack braze-ons
  • Decals protected by clear-coat

Drivetrain:

  • Rear Derailleur: Shimano Altus M310, 7S
  • Shifters: Shimano Revoshift (twist) 21S, RS35
  • Crank: Aluminum alloy 170mm x 46T x 3/32", w/alloy chainwheel guard + ChainKeeper
  • Chain: KMC Z-series 1/2 x 3/32"
  • BB: Sealed Cartridge
  • Freewheel: Shimano Tourney 500, 7S MegaRange 14-34T

Wheelset:

  • Rims: Retrospec aluminum double-wall 32H, 40mm deep-V section, precision machined brake tracks
  • Hubs: Aluminum alloy ball-bearing, 32H, bolt-on
  • Spokes: 14G Stainless steel
  • Tires: Retrospec 700 x 32C all-season, P/V valves

Components:

  • Headset: 1 1/8" (28.6mm) steel, Threadless
  • Brakes: Aluminum alloy dual-pivot side-pull calipers & aluminum brake levers
  • Handlebars: Aluminum Alloy 570mm Wide x 30mm Rise, 25.4
  • Grips: Retrospec UrbanComfort Kraton 125mm length
  • Stem: Aluminum alloy 4-bolt Threadless, 80mm extension x 7⁰ rise x 36mm rise, 25.4 handlebar clamp, 28.6 steerer
  • Saddle: Retrospec Urban2
  • Seatpost: Aluminum Alloy Seat Post 25.4 x 300mm with Micro Adjust head
  • Seatpost Clamp: Aluminum alloy CNC precision 28.6mm
  • Pedals: Low-Profile Platform, Reinforced Nylon resin, 9/16"

Recommended Weight Limit: 250 LBS