Public D8i Alfine Disc vs Trek Madone SLR 9 Gen 7

Compare Specifications of Public D8i Alfine Disc and Trek Madone SLR 9 Gen 7

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Public D8i Alfine Disc
Public D8i Alfine Disc

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Trek Madone SLR 9 Gen 7
Trek Madone SLR 9 Gen 7

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Model:

Brand:

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Technical Specifications
Load Carrying Capacity -- 125 kg (275 lb)
Battery -- Shimano BT-DN300
Charger -- Charging cable included
Frame PUBLIC 100% 4130 full chromoly steel frame, with fender, rack and water bottle braze-ons, integrated kickstand bracket 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, IsoFlow seat tube, invisible cable routing, 3S aero chain keeper, T47 BB, flat mount disc, 142x12 mm thru axle
Stem High polished alloy, threadless, +/- 10 degree rise, 25.4 clamp (80 mm for S/M; 100 mm for L) --
Handle Bar PUBLIC Brunch handlebar, alloy, 570 mm wide Size: 47
Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 35 cm control width, 38 cm drop width, 80 mm stem length
Size: 50, 52
Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 37 cm control width, 40 cm drop width, 90 mm stem length
Size: 54
Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach, 124 mm drop, 39 cm control width, 42 cm drop width, 90 mm stem length
Size: 56, 58
Madone Integrated handlebar/stem, OCLV Carbon, 80 mm reach,
Fork PUBLIC 100% 4130 Chromoly steel unicrown disc fork, with fender and rack braze-ons Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seatpost Kalloy Alloy micro-adjust high polish 27.2 mm x 350 mm length, with integrated clamp Size: 47, 50, 52, 54
Madone aero carbon seat post, 0 mm offset, short length
Size: 56, 58, 60, 62
Madone aero carbon seat post, 0 mm offset, long length
Grip PUBLIC Slender Grip, with alloy clamps Bontrager Supertack Perf tape
Crankset Shimano Alfine S501 Crankset, 39T, 170 mm Size: 47
Shimano Dura-Ace R9200, 52/36, 165 mm length
Size: 50, 52
Shimano Dura-Ace R9200, 52/36, 170 mm length
Size: 54, 56, 58
Shimano Dura-Ace R9200, 52/36, 172.5 mm length
Size: 60, 62
Shimano Dura-Ace R9200, 52/36, 175 mm length
Pedals Wellgo M149 full alloy platform and cage, 9/16" chromoly axle --
Chain -- Shimano Dura-Ace/XTR M9100, 12-speed
Shifters Shimano Alfine Rapidfire trigger shifters for 8-speed internal hub Shimano Dura-Ace R9270 Di2, 12 speed
Saddle PUBLIC Premium Sport Saddle, 153 mm wide, chromoly rails, with brass rivits Size: 47, 50, 52
Aeolus RSL, carbon rails, 155 mm width
Size: 54, 56, 58, 60, 62
Aeolus RSL, carbon rails, 145 mm width
Headset 1 1/8" threadless, steel --
Derailleur Front -- Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear -- Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front Shimano Alfine 8-speed internal hub with disc mount --
Hub Rear Formula alloy hub with quick-release axle --
Spoke Stainless steel 14G --
Cassette -- Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings -- 1x: 50T, 2x: 54/40
Bottom Bracket -- Praxis, T47 threaded, internal bearing
Stand Massload alloy center mount --
Tyres
Front Kenda Kwest, 700 x 35c, 60TPI, with reflective stripe Bontrager R4 320, 700x25 mm
Rear Kenda Kwest, 700 x 35c, 60TPI, with reflective stripe Bontrager R4 320, 700x25 mm
Wheel / RIM Painted to match, alloy double wall, 32H F: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle
R: Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle
Tube Presta, 48 mm vallve --
Brakes
Front Shimano MT-200 hydraulic disc brake, Deore SM-RT86 160 mm rotors, with 3-finger steel levers Shimano Dura-Ace hydraulic disc

Rotors
Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Rear Shimano MT-200 hydraulic disc brake, Deore SM-RT86 160 mm rotors, with 3-finger steel levers Shimano Dura-Ace hydraulic disc

Rotors
Shimano MT900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Shimano CL900, CentreLock, 160 mm (Size: 47, 50, 52, 54, 56, 58, 60, 62)
Suspension
Front -- --
Rear -- --
Colors Available
Colors Polished Titanium Deep Smoke
Azure
Satin Quicksilver
Axinite Flip/Trek Black
Viper Red
Metallic Red Smoke to Red Carbon Smoke


Physical Specs
Length -- --
Weight 15 kg 7.1 kg
Overview
Features -- --
Additional Details Chain guard : Painted to match, alloy
Fenders : Polished silver alloy full fenders
Freewheel : Shimano 20 tooth cog
Frame Size : Small : 50cm, Medium : 54.5cm, Large : 59.5cm
Top Tube Length ( Effective) : Small : 55cm, Medium : 58cm, Large : 61cm
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