Aventon Ramblas 2025
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Travel Front 130mm
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Fork RockShox Psylo
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Groupset NX Eagle
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Suspension Hardtail
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Motor 250W 100Nm mid-drive
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Battery Aventon 708 WH. 36V LG 21700 cells.
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Drivetrain 1 × 12
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Brakes SRAM DB8 Hydraulic Disc
Recommended size guide.
SM
155cm - 166cm
MD
164cm - 178cm
XL
164cm - 178cm
LG
175cm - 188cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
6061 Single-Butted Aluminum Alloy
Suspension Fork
BOREALIS: RockShox 35 Silver R 130mm travel. Coil, 44mm offset, 15x110 QR axle, 1.5" tapered steerer tube AURORA: Rockshox Psylo Silver R, 35mm Stanchions, coil, 44mm offset, 15x110mm BOOST, 1.5"tapered steerer tube, Rebound adjust
Drivetrain
Rear Derailleur
SRAM NX Eagle 1x12
Shift Levers
SRAM NX Eagle 1x12 single click
Cassette
SRAM SX Eagle 1x12 11-50t
Crank
SRAM Nx 34t
Pedals
9/16" Alloy Platform
Wheels
Front Hub
15x110 32H Front, 12x148 32H Rear
Rear Hub
15x110 32H Front, 12x148 32H Rear
Rims
Double Wall Aluminum 32h Front & Rear
Spokes
Black Stainless 13 Gauge
Tires
S Maxxis Rekon 27.5x2.4, M/L/XL Maxxis Rekon 29x2.4
Brakes
Brakes
SRAM DB8 mineral 4 piston hydraulic disc brakes
Cockpit
Stem
35mm Ø, 40mm length
Handlebar
35mm, 9° rise, 720mm width for size S, 760mm width for size M-XL
Grips
Lock on
Seat
Seatpost
150mm travel for size M-XL. 125mm travel for size S. 31.6mm ø. 395mm length
Motor & Battery
Motor
Aventon a100 mid-drive. 36v, 250W (sustained), 750W (peak), 100NM torque. IP67 rating
Battery
Aventon 708 WH. 36V LG 21700 cells.
Charger
42V 4A charger
Fit data
Numbers for sizing and ride feel.
| Size | SM | MD | XL | LG |
|---|---|---|---|---|
| Stack Reach Ratio | 1.542 mm | 1.518 mm | 1.518 mm | 1.462 mm |
| Bottom Bracket Height | 300 mm | 319 mm | 319 mm | 319 mm |
| Front Center | 720 mm | 743 mm | 743 mm | 770 mm |
| Rake | 44 mm | 44 mm | 44 mm | 44 mm |
| Trail | 108.6 mm | 117 mm | 117 mm | 117 mm |
| Stack | 640 mm | 656.5 mm | 656.5 mm | 665 mm |
| Reach | 415 mm | 432.5 mm | 432.5 mm | 455 mm |
| Top Tube Length | 594.5 mm | 616.5 mm | 616.5 mm | 642 mm |
| Seat Tube Angle | 74.5 ° | 74.5 ° | 74.5 ° | 74.5 ° |
| Seat Tube Length | 380 mm | 410 mm | 410 mm | 450 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 125 mm | 125 mm | 125 mm | 135 mm |
| Chainstay Length | 465 mm | 465 mm | 465 mm | 465 mm |
| Wheelbase | 1179 mm | 1203 mm | 1203 mm | 1230 mm |
| Bottom Bracket Drop | 55 mm | 55 mm | 55 mm | 55 mm |
| Standover Height | 683 mm | 702 mm | 702 mm | 712 mm |
| Wheels | 27" | 29" | 29" | 29" |
| Rider Min Height | 155 cm | 164 cm | 164 cm | 175 cm |
| Rider Max Height | 166 cm | 178 cm | 178 cm | 188 cm |
