BMC Trackmachine AL vs Trek Marlin 5 Gen 2

Gear Shift Pattern	Gear : 1 Speed Fixed	--
Frame	Trackmachine TR02, BSA threaded bottom bracket	Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Stem	BMC RSM 03	Size: XXS Bontrager Comp, 31.8 mm, 7-degree, 35 mm length Size: XS Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 50 mm length Size: S Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 60 mm length Size: M Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 70 mm length Size: ML , L Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 80 mm length Size: XL , XXL Bontrager Comp, 31.8 mm, Blendr compatible, 7-degree, 90 mm length
Handle Bar	BMC RAB 03, ergo top shape, compact bend	Size: XXS , XS Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size: S , M , ML , L , XL , XXL Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	Aero 02 Carbon, subA Aero Technology	Size: XXS SR Suntour XCM 30, coil spring, lockout, preload, 100 mm QR, 100 mm travel, 26" wheel Size: XS SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 80 mm travel Size: S SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 42 mm offset for 27.5" wheel, 100 mm QR, 100 mm travel Size: M , ML , L , XL , XXL SR Suntour XCT 30, coil spring, preload, hydraulic lockout, 46 mm offset for 29" wheel, 100 mm QR, 100 mm travel
Seatpost	Trackmachine 02 Airfoil post, carbon	Size: XXS Bontrager alloy, 31.6 mm, 12 mm offset, 300 mm length Size: XS , S , M Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size: ML , L , XL , XXL Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Crankset	--	Size: XXS Prowheel TM-CY10, 36/22, 160 mm length Size: XS , S , M Shimano M315, 36/22, 170 mm length Size: ML , L , XL , XXL Shimano M315, 36/22, 175 mm length
Chain	Miche Pista, 1/8"	KMC Z8.3, 8 speed
Shifters	--	Size: XXS , XS , S , M , ML , L , XL , XXL Shimano M315, 2-speed Size: XXS , XS , S , M , ML , L , XL , XXL Shimano M315, 8-speed
Saddle	Velo	Bontrager Arvada, steel rails, 138 mm width
Headset	--	Semi-integrated, 1-1/8"
Derailleur Front	--	Shimano Altus M315, 34.9 mm clamp, top swing, dual pull
Derailleur Rear	--	Shimano Altus M310
Hub Front	DT Swiss	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub Rear	DT Swiss	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Cassette	Miche Pista Steel, 15T	Shimano 8-speed, 12-32T
Chainrings	Chainwheel : Miche Advanced Pista, 48T	--
Bottom Bracket	--	Sealed cartridge, 73mm

Front	23 mm, Continental Grand Sport Race SL	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Rear	23 mm, Continental Grand Sport Race SL	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Wheel / RIM	DT Swiss	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Front	--	Tektro HD-M275 hydraulic disc, 180 mm rotor
Rear	--	Tektro HD-M275 hydraulic disc, 180 mm rotor

Front	--	--
Rear	--	--

Colors

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Length	--	--
Weight	7.4 kg	13.97 kg

Features

- Vmax Technology - p2p integrated seatpost - Adjustable Dropouts

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