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2024 Frog

MTB 72

A 26″ aluminum frame mountain youth bike with mid-range components and tektro hydraulic disc brakes.
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Manufacturer Price

$1,175
Weight25.4 lbs  
FrameAluminum
SuspensionHardtail, 100mm
Wheels26″ Aluminum
Drivetrain1 × 9
GroupsetAlivio, Acera
BrakesTektro Hydraulic Disc
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Insights
Ride Feel

Based on frame geometry and build specs.

Handling
nimblestable
MTB 72
Other Mountain Youth bikes
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)

23 mph

MTB 72

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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Geometry
Specs
Build
Frame

6061 T6 heat treated, aluminium alloy, seat tube 16" (415mm)

ColorsMetallic Grey Neon Green; Metallic Grey Neon Red

Fork

Frog Bikes junior specific 26" air suspension fork with lockout and damping control, 100mm travel, Our forks are manufactured to work specifically with a childs' weight learn more here

Travel100mm

Spring TypeAir

Bottom Bracket

Thun Shorty-ML-SL; square taper, 68/108/107.5

Headset

Neco, 1"1/8 semi-integrated threadless with sealed cartridge bearings, aluminium Frog Bikes top cap

Stem

UNO, Aluminium, 1"1/8, 60mm, Oversized 4 bolt clamp

Handlebar

UNO, Aluminium Oversized, 620mm

Saddle

Frog Bikes junior specific slimline saddle (medium)

Pedals

Frog Bikes eco-friendly rice husk & plastic composite, w/reflectors, 9/16"

Groupset
Rear Derailleur

Shimano Alivio RD-M3100-SGS Shadow 9 Speed Rear Derailleur

Crank

Frog Bikes patented aluminium straight arm cranks with double chain guard, 146mm, steel 32t chainring

Shifters

Shimano Acera SLM3000 Rapidfire Shift 9 Speed Lever

Cassette

Sunrace, CSM990 9AX, 9-speed, 11-40t

Chain

KMC, 9-speed

Brakes

Tektro hydraulic disc brakes, 160/140mm rotor

TypeTektro Hydraulic Disc

Brake Levers

Tektro M276, junior specific, 2 finger hydraulic disc brake

Wheels
Rims

Aluminium, 26", double wall, disc-specific

Front Hub

KT-SN3F, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt

Rear Hub

KT-SN3R, high performance aluminium disc hub, sealed cartridge bearings, QR, 24 hole, 6 bolt

Tires

Kenda K1134, 26"x2.1", MTB, (ETRTO/ISO 53-559)

Rider Notes
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First added January 26

Last updated May 18

Not listed for 744 days