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2026 Kellys

MYSTERY 70, 29"

A 29″ aluminum frame hardtail crosscountry bike with upper mid-range components.
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Manufacturer Price

€1,399($1,627)
FrameAluminum
SuspensionHardtail, 100mm
ForkRockShox Recon Gold RL
Wheels29″ Aluminum
Drivetrain1 × 12
GroupsetXT, SLX
BrakesShimano Deore Hydraulic Disc
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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)

29 mph

MYSTERY 70, 29"

27 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Price History
Geometry
Specs
Build
Frame

KELLYS Dynamic RRC 29 KLC, tapered HT, internal routing, 12x148 mm Boost thru axle

BB StandardBSA, 73mm, Threaded

Fork

ROCK SHOX Recon GOLD RL (29) Boost, 100 mm, DebonAir / Motion Control / OneLoc Remote Lockout / Maxle Lite 15 mm thru axle

Travel100mm

Spring TypeAir

Bottom Bracket

SRAM DUB PressFit

Stem

KLS Advanced - diam 28.6 mm / bar bore 31.8 mm / 6° / length 70 mm

Handlebar

KLS Advanced FlatBar - diam 31.8 mm / width 740 mm

Saddle

SELLE ROYAL Vivo

Seatpost

KLS Active - diam 30.9 mm / length 350 mm (S), 400 mm (M - L)

TypeRigid

Pedals

plastic

Grips

KLS Poison OneLockon

Groupset
Rear Derailleur

SHIMANO Deore XT M8100 (direct mount)

Crank

SHIMANO Deore XT M8120-1 Hollowtech II (34T) - length 170 mm (M), 175 mm (L)

Shifters

SHIMANO SLX SL-M7100-IR Rapidfire Plus (I-Spec EV)

Cassette

SHIMANO CS-M6100-12 (10-51T)

Chain

KMC X12

Brakes

SHIMANO Deore MT410 hydraulic disc

TypeShimano Deore Hydraulic Disc

Brake Levers

SHIMANO Deore BL-M4100

Wheels
Rims

KLS Cartel Disc 622x21 (32 holes)

Spokes

stainless steel black

Front Hub

SHIMANO MT400-B / MT410-B Disc Center Lock (15x110 mm / 12x148 mm / 32 holes)

Rear Hub

SHIMANO MT400-B / MT410-B Disc Center Lock (15x110 mm / 12x148 mm / 32 holes)

Tires

SCHWALBE Rapid Rob 57-622 (29x2.25) K-Guard or MICHELIN Country Race’r 54-622 (29x2.10)

Disc Rotors

180 mm front / 160 mm rear

Rider Notes
Riders Also Viewed

First added April 26

Last updated May 30