Prevelo Alpha Four vs Trek Madone SLR 9 Gen 7

Load Carrying Capacity	--	125 kg (275 lb)
Battery	--	Shimano BT-DN300
Charger	--	Charging cable included
Frame	6061 heat treated aluminum alloy custom formed tubing	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	Aluminum 35mm extension	--
Handle Bar	Prevelo aluminum big bore - 580mm width x 40mm rise with 31.8mm to 22mm taper	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	Aluminum alloy blades with chromoly steerer tube - 35mm rake	Madone KVF full carbon, tapered carbon steerer, internal brake routing, flat mount disc, carbon dropouts, 12x100mm thru axle
Seats	Aluminum alloy with toolless adjustment	--
Seatpost	--	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	Kraton rubber	Bontrager Supertack Perf tape
Crankset	Prevelo anodized alloy 3-piece square taper with 130MM crank length.	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	Composite with 9/16 chromoly axle	--
Chain	--	Shimano Dura-Ace/XTR M9100, 12-speed
Shifters	Microshift Thumb Shifter	Shimano Dura-Ace R9270 Di2, 12 speed
Saddle	Prevelo big kid saddle	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	--
Derailleur Front	--	Shimano Dura-Ace R9250 Di2, braze-on, down swing
Derailleur Rear	9-Speed Microshift	Shimano Dura-Ace R9250 Di2, 34T max cog
Hub Front	Lightweight alloy 1-piece forged CNC	--
Hub Rear	Lightweight alloy 1-piece forged CNC	--
Cassette	11-36T	Shimano Dura-Ace R9200, 11-30, 12-speed
Chainrings	--	1x: 50T, 2x: 54/40
Sprocket	32T with double chain ring guard	--
Bottom Bracket	Sealed cartridge	Praxis, T47 threaded, internal bearing

Front	Kenda Small Block Eight Pro 24 ×1.5	Bontrager R4 320, 700x25 mm
Rear	Kenda Small Block Eight Pro 24 ×1.5	Bontrager R4 320, 700x25 mm
Wheel / RIM	Rim : Aluminum with grinded sidewalls	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

Front	Tektro aluminum alloy V-brake	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	Tektro aluminum alloy V-brake	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)
Brake Lever	Tektro aluminum alloy	--

Front	--	--
Rear	--	--

Colors

Speed Silver Braap Blue

Deep Smoke Azure Satin Quicksilver Axinite Flip/Trek Black Viper Red Metallic Red Smoke to Red Carbon Smoke

Length	--	--
Weight	9.6 kg	7.1 kg
Seat Height	655	--

Features

- Prevelo confidence inspiring low and narrow geometry. Prevelo geometry keeps the rider low, balanced and in control. - Lightweight 6061 aluminum frame with custom formed tubing. - Lightweight aluminum alloy fork with chromoly steerer. - Tektro front and rear v-brakes. - Lightweight Allen head front and rear wheel skewers for secure wheel installation. - Three piece crank with squared taper bottom cartridge bearing bottom bracket and ultra narrow Q factor.

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