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2025 Tern

BYB P8

A 20″ aluminum frame folding bike with mid-range components and rim brakes.
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Manufacturer Price

$999
Weight31.5 lbs  
FrameAluminum
SuspensionRigid
ForkAluminum
Wheels20″ Aluminum
Drivetrain1 × 8
GroupsetAlivio
BrakesRim
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

28 mph

BYB P8

22 mph

Similar Bikes

Highest gear

(descending)

Specs
Build
Frame

Tern BYB, Aluminum, TriFold patented technology, EFBE tested: ISO 4210

BB StandardBSA, Threaded

ColorSatin Silver-Blue

Fork

Tern Tarsus, 6061-AL, hydroformed

Bottom Bracket

FSA, Cartridge, sealed bearings

Headset

Flux, cartridge bearings, Physis integrated

Stem

Tern Andros (G2), adjustable, forged construction, patented technology

Handlebar

Flat bar, 6061-AL, Andros adapted

Saddle

Tern Porter, patented GripPad design

Seatpost

Tern Telescope, 34.9/30.9 mm, 2014-AL

TypeRigid

Pedals

MKS EZY

Groupset
Rear Derailleur

Shimano Alivio, Shadow RD

Front Derailleur

n/a

Crank

Forged 6061-AL, 52T

Shifters

Shimano, 1 x 8 spd

Cassette

Shimano 11-32T, 8 spd

Chain

KMC, 8 spd

Chain Guide

Hebie

Brakes

Front: Kinetix SpeedStop V-brakes, stainless hardware, Rear: Kinetix SpeedStop V-brakes, stainless hardware

TypeRim

Brake Levers

Shimano

Wheels
Rims

Doublewall aluminum

Front Hub

Kinetix Neutron Mini 74, sealed cartridge bearing

Rear Hub

Novatec, sealed cartridge bearing

Tires

Schwalbe Citizen, 42-406, puncture protection, Reflex

Accessories
Lights

Front: Opt: Tern Valo 2, integrated, 41 lux/150 lumens, Rear: Opt: Deluxe LED

Fenders

SKS, stainless hardware

Racks

Combo Mount

Bell

Pitch, brass

Rider Notes
Riders Also Viewed

First added September 27

Last updated March 22

Not listed for 13 days