Jamis Helix A2 vs Shinola The Detroit Arrow

Compare Specifications of Jamis Helix A2 and Shinola The Detroit Arrow

Selected Bikes

Jamis Helix A2
Jamis Helix A2

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Shinola The Detroit Arrow
Shinola The Detroit Arrow

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Technical Specifications
Frame 6061 aluminum main tubes, over-sized seat tube, zero-stack head tube, over-sized stays, replaceable derailleur hanger True Temper double-butted CroMo, custom tubing configurations, Shinola custom laser cut dropouts, rack and fender eyelets
Stem Jamis XC alloy threadless, 31.8 x 10˚ rise x 75mm (14”/16”), 90mm (18”) Black alloy, 1 1/8", +/7º rise
Handle Bar Jamis XC alloy riser, 31.8 x 20mm rise x 720mm Black alloy, 40º bend, 55 mm rise, 580 mm width, 25.4 mm clamp
Fork SR Suntour XCE 28 DS 27.5”, coil spring, external preload adjustor, 28mm stanchions, aluminum lowers, 100mm travel Double-butted CroMo, Shinola custom cast fork crown, rack and fender eyelets
Seatpost Jamis alloy micro-adjust, 31.6 x 350mm (14”) 400mm (16”/18”) Black alloy, 27.2 mm x 350 mm
Grip Kraton Cork, 127 mm
Crankset Forged Alloy, 36/22T Black alloy, 38T ring
Pedals MTB platform, hi-impact resin --
Chain KMC Z8.3, 8-speed 1/2" x 1/8"
Shifters Shift levers : Shimano EF505, 2x8-speed --
Saddle Jamis ATB Sport Women’s Shinola black leather, silver rails and rivets
Headset Zero-stack internal cup, 8mm cone spacer Black alloy, 1 1/8"
Derailleur Rear Shimano Tourney rear and Altus front --
Hub Front -- Black alloy, 32º, bolt-on
Hub Rear -- Black alloy, 32º, bolt-on, one-speed freewheel
Spoke 14G nickel-plated spokes DT Swiss Champion, 14g, stainless
Cassette Shimano HG31, 8-speed, 11-32T --
Bottom Bracket Sealed cartridge Square taper, 113 mm
Stand -- kickstand
Tyres
Front CST Patrol, 27.5 x 2.25” Continental Contact Reflex, 700 x 32C, w/reflective strip
Rear CST Patrol, 27.5 x 2.25” Continental Contact Reflex, 700 x 32C, w/reflective strip
Wheel / RIM Alex TD26 27.5” rims, 32H, alloy disc hubs Sun CR-18, 32º, one-eyelet, Presta valve, black with machined side-wall
Brakes
Front Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors Black Tektro long-reach
Rear Shimano MT200 hydraulic disc, Shimano RT26 160mm rotors Black Tektro long-reach
Brake Lever -- Black Tektro, 4-finger
Suspension
Front -- --
Rear -- --
Colors Available
Colors Vanilla Mint
Charcoal
Black
Olive
White


Physical Specs
Length -- --
Overview
Features -- --
Additional Details Sizes : 14”, 16”, 18” Bell, fenders and chain guard

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