Mongoose Switchback 2 – 29in 2025
Bike details
Key information split into simple groups.
Bike summary
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Category
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Frame Aluminum
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Travel Front 100mm
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Groupset microSHIFT Advent
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Suspension Hardtail
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Drivetrain 1 × 9
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Brakes Hydraulic Disc
Recommended size guide.
MD
165cm - 177cm
LG
175cm - 188cm
XL
185cm - 198cm
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Tectonic T2, aluminum, 29" trail geometry, internal cable routing, 9 mm x 141 mm dropout, replaceable hanger, tapered headtube
Suspension Fork
Xposure, 29", steel steerer, lockout, 9 mm x 100 mm, QR, 100 mm travel
Drivetrain
Rear Derailleur
Microshift Advent
Shift Levers
Microshift Advent, 1 x 9
Crank
Prowheel C10Y-NW, aluminum, 32T
Bottom Bracket
Feimin FP-B906, cartridge, square taper, threaded 68 mm shell
Chain
KMC Z9
Pedals
Mongoose, nylon
Wheels
Front Hub
Formula DC1420, aluminum, ball bearing, 9 mm x 100 mm, 32H, 6-bolt
Rear Hub
Formula DC2241, aluminum, ball bearing, 9 mm x 141 mm QR, 32H, 6-bolt
Rims
Xposure Infinity-XD, aluminum double wall, 23 mm ID, 32H
Spokes
14G, stainless steel
Tires
29 in x 2.35 in, wire bead
Brakes
Brakes
Radius BH-M960, hydraulic, aluminum, 160 mm rotor
Cockpit
Stem
Xposure 3D forged aluminum, threadless, 45 mm, 7°, 31.8 mm clamp
Handlebar
Xposure, double-butted aluminum, 740 mm width, 25 mm rise, 31.8 mm clamp
Grips
Xposure, single density
Headset
Threadless, ZS44 / ZS56 w/reducer, retainer bearing
Seat
Saddle
Mongoose MTB, steel rails
Seatpost
Xposure, aluminum, 400 mm, 20 mm offset, 31.6 mm
Fit data
Numbers for sizing and ride feel.
| Size | MD | LG | XL |
|---|---|---|---|
| Stack Reach Ratio | 1.434 mm | 1.362 mm | 1.298 mm |
| Bottom Bracket Height | 312 mm | 312 mm | 312 mm |
| Front Center | 738 mm | 772 mm | 806 mm |
| Rake | 44 mm | 44 mm | 44 mm |
| Trail | 115 mm | 115 mm | 115 mm |
| Stack | 631 mm | 640 mm | 649 mm |
| Reach | 440 mm | 470 mm | 500 mm |
| Top Tube Length | 610 mm | 642 mm | 675 mm |
| Seat Tube Angle | 75 ° | 75 ° | 75 ° |
| Seat Tube Length | 410 mm | 450 mm | 475 mm |
| Head Tube Angle | 66.5 ° | 66.5 ° | 66.5 ° |
| Head Tube Length | 100 mm | 110 mm | 120 mm |
| Chainstay Length | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1161 mm | 1195 mm | 1229 mm |
| Bottom Bracket Drop | 62 mm | 62 mm | 62 mm |
| Standover Height | 728 mm | 725 mm | 723 mm |
| Wheels | 29" | 29" | 29" |
| Rider Min Height | 165 cm | 175 cm | 185 cm |
| Rider Max Height | 177 cm | 188 cm | 198 cm |
