BMC Alpenchallenge vs Trek Marlin 5 Gen 2

Gear Shift Pattern	Gear : 1 x 8	--
Frame	Alpenchallenge Alloy, Belt Drive Hydroformed Aluminium Internal Cable Routing Eccentric Bottom Bracket	Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Stem	BMC RSM01	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 LSB 03	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	Alpenchallenge Alloy	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	BMC LSP 03	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	Belt, Gates CDN-CT 115	KMC Z8.3, 8 speed
Shifters	Shimano Alfine 8, Rapidfire Plus	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	Selle Royal Vivo	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	Shimano HB-M4050 / Shimano Nexus 8	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub Rear	Shimano HB-M4050 / Shimano Nexus 8	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Cassette	Gates CDX-CT SureFit, 24T	Shimano 8-speed, 12-32T
Chainrings	Chainwheel : Gates CenterTrack CDN-S-150, 55T	--
Bottom Bracket	--	Sealed cartridge, 73mm

Front	35 mm, Continental Contact Speed	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Rear	35 mm, Continental Contact Speed	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Wheel / RIM	PFR300	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Front	Shimano MT500/RT54 rotors (160/160)	Tektro HD-M275 hydraulic disc, 180 mm rotor
Rear	Shimano MT500/RT54 rotors (160/160)	Tektro HD-M275 hydraulic disc, 180 mm rotor

Front	--	--
Rear	--	--

Colors

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Length	--	--
Weight	12.8 kg	13.97 kg

Features	- Low-Maintenance Drivetrain - Fast Frame Designs - Great-Handling Fork - Fender and Kickstand Mounts	--
Additional Details	Tire Clearance : 37 mm ASTM Classification : Level 2	--