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    Recommended
    MSRP
    $2,499
    Where to Buy
    $1

    At

    Category
    Folding
    Weight
    28.0 lbs
    Frame
    Aluminum
    Aluminum
    Wheels
    Aluminum
    Wheel Size
    20″
    Tektro Rim
    Ultegra
    Drivetrain
    1 × 11
    Brand Site

    ternbicycles.com

    Summary
    The Tern BYB S11 is a 20″ aluminum frame folding bike with high-end components and tektro rim brakes.

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    Insights
    Gear Range

    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)

    29 mph

    BYB S11

    Highest gear

    (descending)

    Geometry
    Specs
    Frame

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

    BB StandardBSA, 68mm, Threaded

    ColorSatin Silver

    Fork

    Tern Tarsus, 6061-AL, hydroformed

    Bottom Bracket

    FSA, BB-EVO8681

    Headset

    Flux Pro, angular contact bearings, Physis integrated

    Stem

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

    Handlebar

    Kinetix Pro X, double-butted 7050-AL, Andros adapted

    Saddle

    Ergon SMC30 Pro, TiNox Rails

    Seatpost

    Tern Telescope, 34.9/30.9 mm, 2014-AL

    TypeRigid

    Pedals

    MKS UB-LITE EZY

    Groupset
    Rear Derailleur

    Shimano Ultegra, Shadow RD

    Front Derailleur

    n/a

    Crank

    Crankset, FSA Gossamer Pro, 54T MegaEVO BB386

    Shifters

    Shimano Ultegra, 1 x 11 spd

    Cassette

    Shimano 105, 11-32T

    Chain

    Shimano, 11 spd

    Chain Guide

    Hebie

    Brakes

    Front: Tektro V, swivel link, race pad, Rear: Tektro V, swivel link, race pad

    TypeTektro Rim

    Brake Levers

    Shimano

    Wheels
    Rims

    Front: Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H, Rear: Kinetix Pro X, Paired Spoke technology, straight-pull design, 16H

    Tires

    Schwalbe Marathon Racer, 40-406, puncture protection, Reflex

    Accessories
    Fenders

    SKS, stainless hardware

    Racks

    Combo Mount

    Bell

    Pitch, brass

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