Gravity HD27.5 Expert vs Trek Marlin 5 Gen 2

Frame	ALLOY 6061 Aluminum with TrailTested Design. D-Section, Hydroformed Downtube with reinforced Gusset, replaceable rear derailleur hanger, water bottle mount	Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Stem	Black Finish Aluminum threadless EXT:90MM(15″~17″)/105MM(19″~21″)x15 DEGREES	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	Black Finish Aluminum 6061 T6, 31.8x W:720MMxR:20MMx6 DEGREES	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	LongTravel SUSPENSION Fork, SUNTOUR XCE28 ALLOY BLACK CROWN w/Preload Adjust	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	Black Finish Aluminum Mountain 27.2mm x 400mm	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
Grip	WTB BLACK GEL/GRAY KRATON	--
Crankset	Advanced LSCO 1X 32T 175mm Arms, Alloy Black	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
Pedals	Mountain Platform	--
Chain	KMC Z-9 STEEL GY/GY 9 Speed	KMC Z8.3, 8 speed
Shifters	MICRO SHIFT SL-M8195R 9-SPD 1BY9 Right Mount	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	WTB SPEED V SPORT SE	Bontrager Arvada, steel rails, 138 mm width
Headset	VP-A42E BLACK W/M-1D ALLOY BLACK CAP threadless 1 1/8 in	Semi-integrated, 1-1/8"
Derailleur Front	--	Shimano Altus M315, 34.9 mm clamp, top swing, dual pull
Derailleur Rear	MICRO SHIFT RD-M6195M BLACK 1BY Long Cage 9spd Wide Range	Shimano Altus M310
Hub Front	FORMULA DC19 ALLOY BLACK W/QR	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub Rear	FORMULA DC25 ALLOY BLACK W/QR	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Spoke	14G STEEL BLACK W/BRASS NIPPLE.	--
Cassette	MICRO SHIFT CS-H093 11-42T-9spd 1BY9 Wide Range	Shimano 8-speed, 12-32T
Bottom Bracket	Sealed CARTRIDGE	Sealed cartridge, 73mm

Front	MTB Specific BLACKWall with A/V Tubes	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Rear	MTB Specific BLACKWall with A/V Tubes	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Wheel / RIM	DH-18 ALLOY BLACK A/V.	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Front	TEKTRO HYDRAULIC DISC BRAKE W/160MM ROTOR.	Tektro HD-M275 hydraulic disc, 180 mm rotor
Rear	--	Tektro HD-M275 hydraulic disc, 180 mm rotor
Brake Lever	TEKTRO HYDRAULIC DISC BRAKE	--

Front	--	--
Rear	--	--

Colors

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Length	--	--
Weight	--	13.97 kg

Features	--	--
Additional Details	Seat Post Clamp: Super Light Alloy with Quick Release	--