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2020 Mongoose

Switchback Expert 27.5

A 27.5″ aluminum frame hardtail crosscountry bike with modest components.
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Manufacturer Price

$669
FrameAluminum
SuspensionHardtail, 80mm
ForkSteel
Wheels27.5″ Aluminum
Drivetrain2 × 9
GroupsetAltus
BrakesShimano Hydraulic Disc
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Insights
Sizing
SM

5'2" – 5'7"

MD

5'6" – 5'11"

LG

5'9" – 6'2"

🐐 Estimated

Rider Fit Notes

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Specs
Build
Frame

Tectonic T1, aluminum, 27.5" sport geometry, internal cable routing, 9 mm x 135 mm dropout, replaceable hanger

BB StandardBSA, 100mm, Threaded

Fork

Xposure, 27.5", steel steerer, lockout, 9 mm x 100 mm, QR, 80 mm travel

Travel80mm

Bottom Bracket

Shimano BB-UN100, cartridge, 3-piece, threaded 68 mm shell

Headset

Threadless, ZS44/ZS44, retainer bearing

Stem

Xposure diecast, threadless, 70 mm/90 mm, 7°, 31.8 mm clamp

Handlebar

Xposure, double-butted aluminum, 700 mm width, 25 mm rise, 31.8 mm clamp

Saddle

Mongoose MTB comfort, steel rails

Seatpost

Xposure, aluminum, 350 mm, 20 mm offset, 31.6 mm

TypeRigid

Pedals

Mongoose, nylon

Grips

Xposure semi-ergo, Kraton

Groupset
Rear Derailleur

Shimano Altus RD-M2000

Front Derailleur

Shimano FD-M2020, band clamp

Shifters

Shimano EF505, 2 x 9

Chain

KMC Z9

Brakes

Shimano BR-EF505, hydraulic, aluminum, 160 mm rotor

TypeShimano Hydraulic Disc

Wheels
Rims

Xposure MD-16, aluminum double wall, 19 mm ID, 32H

Spokes

14G, stainless steel

Front Hub

Xposure, aluminum, ball bearing, 9 mm x 100 mm, 32H, CENTER LOCK

Rear Hub

Xposure, aluminum, ball bearing, 9 mm x 135 mm, 32H, CENTER LOCK

Tires

Kenda MTB, 27.5 in x 2.1 in, wire bead

Rider Notes
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First added August 31

Last updated August 31

Not listed for 2,097 days