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Detailed Comparisons (A big thanks to David Richardson for compiling this information in one table)

  NS FS IX VIIIH Mini 8SP Mini 9SP
Folded size approx 30 x 60 x 81 cm (12" x 23.6" x 33") approx 30 x 60 x 81 cm (12" x 23.6" x 33") rear swingarm is removable for super compact folding (used on airplanes and boats) approx 30 x 60 x 81 cm (12" x 23.6" x 33") approx 30 x 60 x 81 cm (12" x 23.6" x 33") approx 10" x 20" x 29" approx 10" x 20" x 29"
Weight 24 lbs. (w/o pedals, barends, fenders, rack, kickstand) 27.5 lbs. 27 lbs. (25.5lbs w/o pedals, barends, fenders, rack, kickstand) 27.5 lbs. (26lbs w/o pedals, barends, fenders, rack, kickstand) 24.5 lbs. 23.5 lbs.
Folding time 10 sec 10 sec 10 sec 10 sec 10 sec 10 sec
Rider Height 4'9"-6'2" 4'9"-6'6" 4'9"-6'2" 4'9"-6'2" 4'9"-6'2" 4'9"-6'2"
Rider Weight Rider Weight 245lb max 245lb max 245lb max 245lb max 225lb max 225lb max
Frame Xtra light Aluminum frame Xtra light Aluminum frame and swing arm with water bottle cage braze-ons and balance bar with 850lb coil spring shock Xtra light Aluminum frame Xtra light Aluminum frame Xtra light Aluminum frame Xtra light Aluminum frame
Fork alloy fork Zoom fork with disc tabs for disc brakes Zoom fork Zoom fork alloy fork alloy fork
Sadalloy fork dle comfort saddle Velo "love channel" saddle Gel comfort saddle Gel w/large spring comfort saddle Gel w/large spring comfort saddle Gel w/large spring comfort saddle
Seat post Kalin 500mm Aluminum seat post Kalin 500mm Aluminum seat post Kalin 500mm Aluminum seat post Kalin 500mm Aluminum seat post Kalin 500mm Aluminum seat post Kalin 500mm Aluminum seat post
Brakes Aluminum V brakes with strong springs Aluminum V brakes with strong springs Aluminum V brakes with strong springs Aluminum V brakes with strong springs Aluminum V brakes with strong springs Shimano Capreo V brakes with strong springs
Brake Levers Aluminum Brake levers Aluminum Brake levers Aluminum Brake levers Aluminum Brake levers Aluminum Brake levers Shimano Capreo Brake levers
Front wheel Quando 24H QR hub w/Orlox V shaped rim Quando 24H QR hub w/Orlox V rim Quando 24H QR hub w/Orlox V shaped rim Quando 24H QR hub w/Orlox V shaped rim Quando 24H QR hub w/ V shaped rim Shimano Capreo QR hub w/ V shaped rim
Rear Wheel Quando 28H QR cassette hub w/Orlox V shaped rim Quando 28H QR cassette hub w/Orlox V rim Quando 28H QR cassette hub w/Orlox V shaped rim Sturmey Archer Internal 8sp Hub Sturmey Archer Internal 8sp Hub Shimano Capreo QR hub w/ V shaped rim
Tires Kenda 20x1.5" front and 20x1.5" rear Kenda 20x1.5" front and 20x1.75" rear Kenda 20x1.5" front and 20x1.75" rear Kenda 20x1.5" front and 20x1.75" rear Kenda 16x1.5" front and 16x1.5" rear Kenda 16x1.5" front and 16x1.5" rear
Shifters Sun Race 9sp Sun Race 9sp with carbon fiber look Sun Race 9sp Sturmey Archer 8sp Sturmey Archer 8sp Shimano Capreo 9sp
Cassette Sun Race 9sp 11-32 Sun Race 8sp M60 11-28 (or 9sp 11-32) Sun Race 9sp M90 11-32 N/A ( internal hub) N/A ( internal hub) Shimano Capreo 9-26 (9sp)
Derailleur Sun Race M90 9sp Sun Race M90 9sp with carbon fiber look Sun Race M90 9sp N/A ( internal hub) N/A ( internal hub) Shimano Capreo
Cranks Prowheel aluminum 170mm 48T with chain guard Prowheel aluminum 170mm 48T with chain guard Prowheel aluminum 170mm 48T with chain guard Prowheel aluminum 170mm 46T with chain guard Prowheel aluminum 170mm 48T with chain guard Shimano Capreo aluminum 170mm 48T with chain guard
Chain KMC KMC KMC KMC KMC Shimano
Pedals Folding right and left Folding right and left Folding right and left Folding right and left Folding right and left Folding right and left
Carrybag Attaches to the saddle when not in use, entire bike fits inside for protection. (not warrantied so be careful) Attaches to the saddle when not in use, entire bike fits inside for protection. (Be careful the bag is not warrantied) Attaches to the saddle when not in use, entire bike fits inside for protection. (not warrantied so be careful) Attaches to the saddle when not in use, entire bike fits inside for protection. (not warrantied so be careful) Attaches to the saddle when not in use, entire bike fits inside for protection. (not warrantied so be careful) Attaches to the saddle when not in use, entire bike fits inside for protection. (not warrantied so be careful)
Wheelbase 40" 42" 40.5" 40.5" 37.5" 37.5"
Max Reach (center of handlebar to seatpost when level) Reach can be adjusted down by changing the stem angle or flipping the stem. It can be increased by using a longer stem. 27" 27.75" 27" 27" 23" (adjustable with purchase of new bottom stem) 23" (adjustable with purchase of new bottom stem)
Seat Tube (BB center to Top) 13" 16" 13.25" 13.25" 12.75" 12.75"

 
 
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