Breezer Thunder vs Trek Marlin 5 Gen 2

Frame	Breezer custom-butted-chromoly steel, BSA Threaded BB, 148 x 12 mm	Alpha Silver Aluminium, curved top tube, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5 mm QR
Stem	Breezer, 3D-forged 6061 stem body, 0°	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	Breezer Riser Bar, 780 mm width, 8° backweep	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	Chromoly disc, rack / fender & side bottle mounts, 110 x 15 mm through-axle	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	KS RAGE-i, 30.9 mm diameter	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	Breezer lock-on	--
Crankset	Shimano 34T	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	Shimano	KMC Z8.3, 8 speed
Shifters	Shimano	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 Volt Comp 142 x 265, cromo rail	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA 1 1/8", No.42 internal, 36° ACB-sealed, 6.5 mm aluminum top cover	Semi-integrated, 1-1/8"
Derailleur Front	--	Shimano Altus M315, 34.9 mm clamp, top swing, dual pull
Derailleur Rear	Shimano 12-speed	Shimano Altus M310
Hub Front	--	Formula DC-20, alloy, 6-bolt, 5x100 mm QR
Hub Rear	--	Formula DC-22, alloy, 6-bolt, Shimano 8/9/10 freehub, 135x5 mm QR
Cassette	Shimano 10-51T, 12-speed	Shimano 8-speed, 12-32T
Bottom Bracket	--	Sealed cartridge, 73mm

Front	Goodyear Newton v2, Dynamic R/T compound, 61-622, folding bead	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Rear	Goodyear Newton v2, Dynamic R/T compound, 61-622, folding bead	Bontrager XR2 Comp, wire bead, 30 tpi, 26x2.20"
Wheel / RIM	WTB 29" ST i30 TCS disc, tubeless compatible, Formula hubs- Boost 148/110 mm, SAPIM Leader 14g spokes, 32H	Bontrager Connection, double-wall, 32-hole, 20 mm width, Schrader valve

Front	180 mm Shimano MT500 hydraulic disc	Tektro HD-M275 hydraulic disc, 180 mm rotor
Rear	160 mm Shimano MT500 hydraulic disc	Tektro HD-M275 hydraulic disc, 180 mm rotor
Brake Lever	Shimano	--

Front	--	--
Rear	--	--

Colors

Gray with burnt orange

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Length	--	--
Weight	--	13.97 kg

Features	- Fully-butted chromoly frame with tapered headtube, compatible for suspension forks up to 100mm - Boost-148 through-axle rear triangle allows for tires up to 29x2.95”/75mm - Field- serviceable external derailleur and brake routing - Internal dropper seatpost routing - Multi-mount bottle system in the front triangle to allow for installation of bottles and half-frame bags	--
Additional Details	Bottom Bracket : Shimano threaded	--