Author Sonic 27.5 2021-22 vs Trek Marlin 7

Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Frame	Triple butted hydroformed alloy 6061 27.5"	Alpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135 x 5 mm QR
Stem	AUTHOR alloy	Size : S - Bontrager alloy, 31.8 mm, Blendr compatible, 7 degree, 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	AUTHOR Flat Top bar 9° 620 / 640 mm	Bontrager alloy, 31.8 mm, 5 mm rise, 720 mm width
Fork	--	Size : S - RockShox Judy, coil spring, preload, TurnKey lockout, 42 mm offset for 27.5'' wheel, 100 mm QR, 100 mm travel Size : M, ML, L, XL, XXL - RockShox Judy, coil spring, preload, TurnKey lockout, 46 mm offset for 29'' wheel, 100 mm QR, 100 mm travel
Seatpost	AUTHOR alloy (31.6)	Size : 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	AUTHOR kratton rubber	Bontrager XR Trail Comp, nylon lock-on
Crankset	--	Size : S, M - FSA Alpha Drive, 28T steel ring, Boost, 170 mm length Size : ML, L, XL, XXL - FSA Alpha Drive, 28T steel ring, Boost, 175 mm length
Pedals	--	VP-536 nylon platform
Chain	KMC X10	KMC X10, 10 speed
Shifters	SHIMANO Deore (10)	Shimano Deore M4100, 10 speed
Saddle	AUTHOR Champion	Bontrager Arvada, steel rails, 138 mm width
Headset	--	Semi-integrated, 1-1/8''
Derailleur Rear	SHIMANO Deore	Shimano Deore M5120, long cage
Hub Front	--	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135 x 5 mm QR
Hub Rear	QUANDO Disc 32 holes	Formula DC-20, alloy, 6-bolt, 5 x 100 mm QR
Spoke	Black stainless steel 2.0 mm	14g stainless steel
Cassette	--	Shimano Deore M4100, 11-46, 10 speed
Chainrings	--	1x/2x: 34T, 3x: 42T
Bottom Bracket	PROWHEL BB unit	FSA, 73 mm, threaded cartridge, 122.5 mm spindle

Front	CST B-Trail aramid 27.5" × 2.25"	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Rear	CST B-Trail aramid 27.5" × 2.25"	Bontrager XR2 Comp, wire bead, 30 tpi, 29 x 2.20''
Wheel / RIM	Rims : AUTHOR Xenon TRC 27.5 32 holes	Bontrager Kovee, double-wall, Tubeless Ready, 32-hole, 23 mm width, presta valve

Front	TEKTRO Auriga disc hydraulic (6" rotors)	Shimano MT200 hydraulic disc Brake Rotor : Shimano RT26, 6-bolt,160 mm
Rear	--	Shimano MT200 hydraulic disc Brake Rotor : Shimano RT26, 6-bolt,180 mm
Brake Lever	TEKTRO Auriga WS	--

Front	--	--
Rear	--	--

Colors

--

Marigold to Radioactive Red Fade Matte Nautical Navy/Matte Anthracite

Length	--	--
Weight	12.2 kg	13.47 kg

Features	--	- Suspension Lockout - Rack Mounts - Rear Kickstand Mount - Internal Cable Routing
Additional Details	SIZE : 14", 16" HEAD PARTS: AUTHOR Integrated 1.5" tapered CHAIN WHEEL : PROWHEEL 32 teeth 165 / 170 mm cranks FREE WHEEL: SHIMANO M4100-10 11-46 (10)	Max compatible fork travel : 100 mm (XS & S : 490 mm axle-to-crown, M & up : 509 mm axle-to-crown)