Mongoose EXPERT 2008 VS Dirtmaster BIG BERTHA 1999 specs comparison

Mongoose Expert

General Infos

Model	Expert
Manufacturer	Mongoose
Year of production	2008
Current price	🛒 View Price →
Color choice	-Not found
Sizes	- Not available
Sizes	- Not available

Wheels And Breaking System

Bike front tire	Rear: 20 X 1.95 (inches) Snafu Knob Job Front: 20 X 2.125 (inches) Snafu Dirt Box
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Rush RX3.0 Hinged Rear Levers Tektro Alloy U-brake Rear Brakes
Hubs for disc brakes	Cassette Rear: Alloy 14 (millimeters) Axle Front: 14 (millimeters) Axle
Rims manufacturer	36-hole Alienation PBR
Spoke nipples type	Not Available
Spoke wheel	ED Black Steel

Frame and Body Specs

Frame materials	Chromoly
Frame type	Not Available
Handlebar construction	Mongoose Hi-ten 2-pc
Handlebar extender	Optional
Handlebar stem details	Mongoose Front Load 50 (millimeters) Extension
Headset size	1 1/8 (inches) Threadless Aheadset

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC Z510
Bottom bracket shell width	Not Available
Bottom bracket type	Euro Sealed
Crankset parts and sizes	33 Teeth 3 Piece Hollow Tubular
Gear shift levers	Not Available
Rear gear set	12 Teeth 1-speed

Mongoose Expert Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown Chromoly
Fork type	Not Available

Other Specs of Mongoose Expert

Component group sets	BMX
Pedals details	Mongoose (inches)M Pedal (inches) Alloy
Rear shock absorber	Not Available
Saddle seat	PRIMO Hemorrhoid
Seat post extension	25.4 (millimeters) Diameter Alloy

Dirtmaster Big Bertha

General Infos

Model	Big Bertha
Manufacturer	Dirtmaster
Year of production	1999
Current price	🛒 View Price →
Color choice	- Chrome-Plated - Red - Yellow -Black
Sizes	- Pro XL

Wheels And Breaking System

Bike front tire	20 X 2.25 (inches) Kenda K-841
Bike rear tire	Not Available
Bike wheel size	20 (inches) Wheels
Brakeset type	Dia-Compe Tech 99 Levers Dia-Compe 990 Brakes
Hubs for disc brakes	Joy Tech Jy A085SBT
Rims manufacturer	48-hole Alex Supra
Spoke nipples type	Brass Nipples
Spoke wheel	2.0 (millimeters) Straight Gauge Da-Sen Stainless Steel

Frame and Body Specs

Frame materials	4130 chromoly c
Frame type	TIG-welded
Handlebar construction	Dirtmaster Hoochie
Handlebar extender	Not Available
Handlebar stem details	Odyssey Bang
Headset size	1 1/8 (inches) Threadless Aheadset SE-1 F and S With Odyssey Gyro Detangler

Gearing Specifications

Bicycle chain	1/2 X 1/8 (inches) KMC 410H
Bottom bracket shell width	American 24tpi
Bottom bracket type	YST BB 621
Crankset parts and sizes	44 Teeth 1-piece Chromoly 180 (millimeters)
Gear shift levers	Not Available
Rear gear set	16 Teeth 1-speed

Dirtmaster Big Bertha Fork System Data

Derailleur (Front)	Not Available
Derailleur (Rear)	Not Available
Fork material	Unicrown Crown 4130 Chromoly
Fork type	Dirtmaster Street Fork

Other Specs of Dirtmaster Big Bertha

Component group sets	Not Available
Pedals details	Wellgo LU-313U
Rear shock absorber	Not Available
Saddle seat	Team Products Embroidered
Seat post extension	25.4 (millimeters) Diameter Primo Rod