MIDDLECHILD V3 Chromoly SX/D3
RSD
Trail
MIDDLECHILD V3 Chromoly SX/D3 is a steel trail mountain bike (2024), by Rsd, from the Middlechild lineup. It suits riders looking for a balanced off-road setup, with a balanced riding position, and is well suited to natural trails and mixed off-road terrain. The main strengths in the metrics are strong climbing friendliness for sustained uphill riding, strong speed potential on smoother terrain, and capable suspension support for rougher terrain. The main limitation versus more focused builds is a firmer ride feel than comfort-first options. This summary is a starting point—compare this bike on MatchBikes.com with similar bikes.
7.2
Rating

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Score Summary
Performance
7.2
Value
6.9
Fit
7.3
Performance
Built for speed and efficiency
Speed
6.9
Medium
Climbing Efficiency
8.0
Climber
Suspension
7.0
High-impact ready
Fit
Dialed-in Fit & Comfort
Riding Position
6.8
Balanced
Fit Flexibility
6.9
Moderately Adjustable
Ride Comfort
7.6
Firm
Value
Value for Money
6.9
Fair Value
Surface Range
Natural TrailsSpecifications
General
Brand
RSD
Model
MIDDLECHILD V3 Chromoly SX/D3
Year
2024
Price
$2,499
Category
Mountain
Sub Category
Trail
Groupset
SX Eagle
Frame
Frame
27.5+/29 Cr-Mo 4130 Double Butted and Heat Treated
Suspension Fork
DVO Diamond D3 Black 27.5+/29 140mm 44mm
Suspension Type
Full
Drivetrain
Shift Levers
SRAM SX Eagle Trigger 12spd
Rear Derailleur
SRAM SX Eagle Long Cage 12spd
Cassette
SRAM Eagle PG-1210 11-50T 12spd
Crank
SRAM SX Eagle 175mm DM
Bottom Bracket
SRAM DUB 73mm BSA
Chain
SRAM Eagle 12spd
Wheels
Rims
Sun Ringle Duroc 27.5x40mm 15x110mm & 12x148mm Boost
Tires
MAXXIS Minion DHF 29×2.5WT 3C/Max Terra/EXO Front and Aggressor 29×2.5WT 3C?Max Terra/EXO Rear (Minimum Sliding Drop-Out Position – 425mm)
Brakes
Brake Type
Hydraulic Disc
Brake Description
SRAM Level T
Cockpit
Stem
Race Face Aeffect R 35 50mm
Handlebar
Race Face 35mm Chester 780mm
Grips
Ergon GE10 Black
Seat
Saddle
Cionlli 142mm
Seatpost
30.9mm Race Face Ride or KS LEV Dropper (S 125mm, M 150mm, L 175mm & XL 200mm) with SouthPaw Lever
Geometry
| Measurement | SM | MD | LG | XL |
|---|---|---|---|---|
| Stack Reach Ratio | 1.462 mm | 1.358 mm | 1.342 mm | 1.297 mm |
| Bottom Bracket Height | 330 mm | 325 mm | 325 mm | 325 mm |
| Front Center | 751 mm | 793 mm | 811 mm | 838 mm |
| Rake | 51 mm | 51 mm | 51 mm | 51 mm |
| Trail | 160 mm | 152 mm | 151 mm | 153 mm |
| Stack | 614 mm | 622 mm | 632 mm | 642 mm |
| Reach | 420 mm | 458 mm | 471 mm | 495 mm |
| Top Tube Length | 585 mm | 625 mm | 640 mm | 667 mm |
| Seat Tube Angle | 74.5 ° | 75 ° | 75 ° | 75 ° |
| Seat Tube Length | 395 mm | 410 mm | 440 mm | 470 mm |
| Head Tube Angle | 64.1 ° | 64.5 ° | 64.5 ° | 64.5 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm | 130 mm |
| Chainstay Length | 415 mm | 415 mm | 415 mm | 415 mm |
| Wheelbase | 1163 mm | 1205 mm | 1223 mm | 1250 mm |
| Bottom Bracket Drop | -40 mm | -40 mm | -40 mm | -40 mm |
| Standover Height | 690 mm | 691 mm | 702 mm | 711 mm |
| Wheels | 27" | 27" | 27" | 27" |
| Rider Min Height | 158 cm | 168 cm | 178 cm | 186 cm |
| Rider Max Height | 171 cm | 180 cm | 189 cm | 199 cm |




























































