Marin Alcatraz vs Trek Marlin 4

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Series 3 6061 Aluminum Frame, 26” Wheels, 135 x 10 mm Horizontal Dropouts, 73 mm Threaded BB, ISCG 05 Tabs	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	Marin 3D Forged Alloy, 40 mm	Size : XS - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 50 mm length ( Size : S - 60 mm length) Size : M - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 70 mm length Size : ML, L - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 80 mm length Size : XL, XXL - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 90 mm length
Handle Bar	Marin Riser, 6061 Double Butted Aluminum, 38 mm rise, 750 mm Width, 4º Up, 9º Back	Size : XS, S - Bontrager alloy, 31.8 mm, 5 mm rise, 690 mm width Size : M, ML, L, XL, XXL - Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	--	Size : XS - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 80 mm travel Size : S - SR Suntour XCE 28, coil spring, preload, 42 mm offset for 27.5'' wheel, 100 mm QR, 100 mm travel Size : M, ML, L, XL, XXL - SR Suntour XCE 28, coil spring, preload, 46 mm offset for 29'' wheel, 100 mm QR, 100 mm travel
Seatpost	Marin Pivotal DJ, 30.9 mm	Size : XS, S - Bontrager alloy, 31.6 mm, 12 mm offset, 330 mm length Size : M - Bontrager alloy, 31.6 mm, 12 mm offset, 360 mm length Size : ML, L, XL, XXL - Bontrager alloy, 31.6 mm, 12 mm offset, 400 mm length
Grip	Marin Single Clamp Locking	Bontrager XR Endurance Comp, lock-on
Crankset	Marin Forged Alloy, Alloy 32T Chainring, 104 mm BCD, STD spacing	Size : XS, S, M - Shimano Tourney TY301, 42/34/24, 170 mm length Size : ML, L, XL, XXL - Shimano Tourney TY301, 42/34/24, 175 mm length
Pedals	Alloy Platform	VP-536 nylon platform
Chain	KMC HL-710	KMC Z7, 7 speed
Shifters	--	Shimano Altus EF500, 7 speed
Saddle	Marin Pivotal DJ Saddle	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA No 57E, Semi-Sealed Cartridge Bearings, 1 1/8" x 1 1/2”	Semi-integrated, 1-1/8''
Derailleur Front	--	Shimano Tourney TY300, 34.9 mm clamp, down swing, down pull
Derailleur Rear	--	Shimano Tourney TY300, long cage, 34T max cog
Hub Front	Forged Alloy, 135 x 10 mm, Bolt On, Quad Sealed Bearings, 6-Bolt Disc, 32H	Formula DC-31, alloy, 6-bolt, 6/7/8 speed freewheel, 135 x 5 mm QR
Hub Rear	Forged Alloy, 100 x 15 mm, 6-bolt Disc, 32H	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	14 g Black Stainless Steel	14g stainless steel
Cassette	14 T Single Speed Cog	Shimano TZ500, 14-28, 7 speed
Chainrings	--	1x/2x : 34T, 3x : 42T
Bottom Bracket	--	VP BC73, 73 mm, threaded cartridge

Front	Vee Tire, XCV 26 x 2.25, LSG Compound, Wire Bead	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	Vee Tire, XCV 26 x 2.25, LSG Compound, Wire Bead	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.00''
Wheel / RIM	Marin Custom Extrusion, 27 mm Inner, Pinned Joint	Bontrager Connection, double-wall, 32-hole, 20 mm width, schrader valve

Front	Tektro HDM275 Hydraulic, 160 mm Rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Rear	Tektro HDM275 Hydraulic, 160 mm Rotor	Tektro MD-M280 mechanical disc, 160 mm rotor
Brake Lever	Tektro HDM275	--

Front	X Fusion Slant RL2 26", 100 mm Travel, 100 x 15 mm Thru-Axle, Air Spring, Compression and Rebound Adjust, Tapered Alloy Steerer tube, 40 mm Offset	--
Rear	--	--

Colors

--

Matte Trek Black Voodoo Aloha Green Matte Anthracite Magenta

Length	--	--
Weight	--	13.98 kg

Features	- Series 3 Aluminum Frame - Short Chainstays - 135 X 10 mm Horizontal Dropouts - Dirt Jump Specific Suspension Fork	- Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	Bottom Bracket : External Sealed Cartridge Bearings Extras : Marin Chain Tension Device	Max compatible fork travel : 100 mm (XS & S: 490 mm axle-to-crown, M & up: 509 mm axle-to-crown)