besv TRX-B Urban 1.1 2024
Bike details
Key information split into simple groups.
Bike summary
-
Category
-
Frame Aluminum
-
Travel Front 120mm
-
Fork Suntour XCR Air
-
Groupset Deore
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Suspension Hardtail
-
Motor Bosch 85Nm mid-drive
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Battery 750WH
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Drivetrain 1 × 12
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Brakes Hydraulic Disc
Recommended size guide.
SM
163cm - 176cm
MD
174cm - 188cm
LG
185cm - 197cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Hard-tail BESV TRX-B Series smooth welded alloy frame, Bosch motor and internal battery compatible
Suspension Fork
SR Suntour XCR34, 34mm stanchions, Lockout, Air damping, 1 1/8"-1.5" tapered alloy steerer, travel 120mm
Drivetrain
Rear Derailleur
Shimano Deore RD-M6100, 12 speed
Shift Levers
Shimano Deore SL-M6100, 12 speed
Cassette
Shimano Deore CS-M6100, 12 speed, 10-51T
Crank
Samox for Bosch, 38T chainring
Bottom Bracket
Bosch, integrated in motor
Chain
KMC e12Turbo, with Quick-Link
Pedals
Wellgo, alloy body, ball bearings
Wheels
Rims
Shimano HB-TC500-15-B front hub and MT-410B rear hub, Boost hubs spacing, WTB STi27 29" multichamber alloy rims 32H
Tires
29 x 2.35
Brakes
Brakes
Shimano MT420/MT410, 4/2-piston hydraulic disc, with 203mm front and rear rotors
Brake Levers
Shimano MT4100, 2 finger lever
Cockpit
Stem
3D Forged alloy City-Trekking stem, SP-Connect mount, 31.8mm clamp, integrated cable routing
Handlebar
E-MTB rizer bar, 6066 alloy, 4mm rise, sweep: 7° back, 31.8mm clamp
Grips
E-MTB gel grips with padding and BESV clamp
Headset
Acros, AZX-581, 1.5" headset, angular contact bearings, integrated cable routing
Seat
Saddle
Selle Italia S5 Superflow
Seatpost
Promax SP-726, 31.6mm diameter
Motor & Battery
Motor
Bosch Perf CX BES3/GEN4 (85Nm)
Battery
750WH
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | LG |
|---|---|---|---|
| Stack Reach Ratio | 1.277 mm | 1.259 mm | 1.2 mm |
| Front Center | 715 mm | 719 mm | 739 mm |
| Rake | 93 mm | 87 mm | 86 mm |
| Trail | 41 mm | 47 mm | 48 mm |
| Stack | 539 mm | 539 mm | 539 mm |
| Reach | 422 mm | 428 mm | 449 mm |
| Top Tube Length | 616 mm | 630 mm | 650 |
| Seat Tube Angle | 74 ° | 73 ° | 73 ° |
| Seat Tube Length | 425 mm | 490 mm | 490 mm |
| Head Tube Angle | 68 ° | 68 ° | 68 ° |
| Head Tube Length | 130 mm | 130 mm | 130 mm |
| Chainstay Length | 460 mm | 460 mm | 460 mm |
| Wheelbase | 1166 mm | 1174 mm | 1194 mm |
| Bottom Bracket Drop | 70 mm | 55 mm | 55 mm |
| Standover Height | 705 mm | 739 mm | 759 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 163 cm | 174 cm | 185 cm |
| Rider Max Height | 176 cm | 188 cm | 197 cm |
