Mongoose Switchback 1 – 27.5in 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
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Suspension Hardtail
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Drivetrain 1 × 8
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Brakes JAK Mechanical Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
Tectonic T2, aluminum, 27.5" trail geometry, internal cable routing, 9 mm x 141 mm dropout, replaceable hanger, tapered headtube
Suspension Fork
Xposure, 27.5", steel steerer, lockout, 9 mm x 100 mm, QR, 100 mm travel
Drivetrain
Rear Derailleur
Microshift
Shift Levers
Microshift, 1 x 8
Crank
Prowheel C10Y-NW, aluminum, 32T
Bottom Bracket
Feimin FP-B906, cartridge, square taper, threaded 68 mm shell
Chain
KMC Z8
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
27.5 in x 2.35 in, wire bead
Brakes
Brakes
JAK 7, mechanical, 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 | SM |
|---|---|
| Stack Reach Ratio | 1.466 mm |
| Bottom Bracket Height | 310 mm |
| Front Center | 707 mm |
| Rake | 44 mm |
| Trail | 110 mm |
| Stack | 601 mm |
| Reach | 410 mm |
| Top Tube Length | 577 mm |
| Seat Tube Angle | 74.5 ° |
| Seat Tube Length | 400 mm |
| Head Tube Angle | 66 ° |
| Head Tube Length | 100 mm |
| Chainstay Length | 430 mm |
| Wheelbase | 1133 mm |
| Bottom Bracket Drop | 45 mm |
| Standover Height | 713 mm |
| Wheels | 27" |
