Opus E-Big City ST vs Trek Rail 7

Fuel	Electric	Electric
Motor	Shimano STePS motor E-5000 250W	Bosch Performance CX, magnesium motor body, 250 watt, 85 Nm, 20mph
Maximum Torque	40 NM	--
Load Carrying Capacity	--	Combined weight of bicycle, rider, and cargo of 300 pounds (136 kg)
Top Speed	--	32 kmph
Battery	Shimano E-8014 418Wh 36V 11.6Ah battery	Bosch PowerTube 625
Charger	--	Bosch standard 4A (100-240V) charger
Controller	--	Bosch Purion
Display	SC-E5000 Switch with integrated display	Bosch Purion
Frame	Meta 30 aluminum	Alpha Platinum Aluminum, Removable Integrated Battery (RIB), tapered head tube, Control Freak internal routing, magnesium rocker link, Motor Armor, Mino Link, ABP, Boost148, 12 mm thru axle, 150 mm travel
Stem	Opus Silver	Bontrager Rhythm Comp, 31.8 mm, Knock Block, 0 degree, 50 mm length
Handle Bar	Opus Bronze 25 mm rise	Bontrager Rhythm Comp, alloy, 31.8 mm, 15 mm rise, 780 mm width
Fork	Aluminum tapered 1-1/2 to 1-1/8 in	RockShox Yari RC, DebonAir spring, Motion Control RC damper, e-MTB optimized, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 160 mm travel
Seatpost	Opus Silver 31.6 x 350	Size : S - TranzX JD-YSP18, 100 mm travel, internal routing, 31.6 mm, 361 mm length Size : M, L, XL - TranzX JD-YSP18, 130 mm travel, internal routing, 31.6 mm, 425 mm length
Grip	Velo ERGO dual density	Bontrager XR Trail Comp, nylon lock-on
Crankset	Shimano STePS	E*thirteen E*spec Plus, 34T, 165 mm length
Pedals	--	VP-536 nylon platform
Chain	KMC E9 EPT	Shimano SLX M7100, 12 speed
Shifters	Shimano Alivio 9	Shimano SLX M7100, 12 speed
Saddle	Opus E-CITY	Bontrager Arvada, steel rails, 138 mm width
Headset	FSA Orbit integrated sealed	Knock Block Integrated, cartridge bearing, 1-1/8 top, 1.5 bottom
Derailleur Rear	Shimano Alivio 3100 Shadow	Shimano XT M8100, long cage, 51T max cog
Hub Front	--	Bontrager alloy, sealed bearing, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle
Hub Rear	Formula/Shimano	Bontrager alloy, sealed bearing, alloy axle, 6-bolt, Boost110, 15 mm thru axle
Cassette	Shimano 11-36	Shimano SLX M7100, 10-51, 12 speed
Bottom Bracket	Shimano STePS E-5000	--

Front	Kenda Kwick Seven.5 27.5 x 2.4	Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.60''
Rear	Kenda Kwick Seven.5 27.5 x 2.4	Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29 x 2.60''
Wheel / RIM	Weinnman U32 TL	Front : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle Rear : Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Shimano MicroSpline freehub, Boost148, 12 mm thru axle

Front	Shimano BR-MT201 hydraulic disc	Shimano 4-piston hydrauilc disc, M6100 lever, M6120 caliper Brake Rotor : Shimano RT76, 6-bolt, 203 mm
Rear	Shimano BR-MT201 hydraulic disc	Shimano 4-piston hydrauilc disc, M6100 lever, M6120 caliper Brake Rotor : Shimano RT76, 6-bolt, 203 mm
Brake Lever	Shimano BL-MT201	--

Front	--	--
Rear	--	Rear Shock : RockShox Deluxe RL, 230 x 57.5 mm

Colors

Stealth Black

Dnister Black/Rage Red Miami Green/Nautical Navy

Length	--	--
Weight	19.7 kg	23.59 kg

Features	- Low step-through frame for everyone to enjoy - Lightweight 6061 aluminum Fork - Shimano 1x9 drivetrain - Shimano MT201 hydraulic disc brakes - Shimano STePS E-5000 motor and E-8014 418Wh semi-integrated battery	- Removable Integrated Battery - Custom eMTB Lite mode - New Bosch Performance Line CX - Knock Block - Active Braking Pivot - Complete Tubeless System - Integrated Speed Sensor - Suspension Calculator - Mino Link Adjustable Geometry
Additional Details	Chainrings : 38	Shock : RockShox Deluxe Select+, 230 x 57.5 mm