Kona MAMA 2001 VS Trek TR-20 1999 specs comparison
Kona Mama
General Infos| Model | Mama |
| Manufacturer | Kona |
| Year of production | 2001 |
| Current price | Check price Here ==> |
| Color choice |
-DJ Blue |
| Sizes |
- Pro |
| Sizes |
- Pro |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.85 (inches) Tioga Comp III Front: 20 X 2.25 (inches) Tioga Comp III |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Tektro 318A Rear Levers Tektro BX-20 Linear-pull Rear Brakes |
| Hubs for disc brakes | Kona Bulge |
| Rims manufacturer | 36-hole Sun Rims Ditch Witch |
| Spoke nipples type | Not Available |
| Spoke wheel | 14g Stainless Steel |
Frame and Body Specs
| Frame materials | Kona Cromoly |
| Frame type | TIG-welded |
| Handlebar construction | Kona Chromoly Race |
| Handlebar extender | Optional |
| Handlebar stem details | Kona DJ-1 |
| Headset size | Aheadset |
Gearing Specifications
| Bicycle chain | KMC |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | YST BB-621 |
| Crankset parts and sizes | 44 Teeth 1-piece 175 (millimeters) |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Kona Mama Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Chromoly |
| Fork type | Kona Jump |
Other Specs of Kona Mama
| Component group sets | Not Available |
| Pedals details | Wellgo |
| Rear shock absorber | Not Available |
| Saddle seat | Kona BMX Race |
| Seat post extension | Kona Thumb |
Trek TR-20
General Infos| Model | TR-20 |
| Manufacturer | Trek |
| Year of production | 1999 |
| Current price | Check price Here ==> |
| Color choice |
- Mellow Gold and Crimson -Chrome and Lemon |
| Sizes |
- Professional size |
Wheels And Breaking System
| Bike front tire | Rear: 20 X 1.75 (inches) Bontrager Revolt ST-2 Front: 20 X 2.10 (inches) Bontrager Revolt ST-2 |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Chang Star 281DT Levers Chang Star VB-911 DK Brakes |
| Hubs for disc brakes | Formula |
| Rims manufacturer | 36-hole Bontrager Mack |
| Spoke nipples type | Brass Nipples |
| Spoke wheel | 2.0 (millimeters) Straight Gauge |
Frame and Body Specs
| Frame materials | Chromoly and hi-tensile Steel |
| Frame type | TIG-welded |
| Handlebar construction | Chromoly |
| Handlebar extender | Not Available |
| Handlebar stem details | Alloy Ahead Type |
| Headset size | 1 1/8 (inches) Threadless Aheadset SE-1 |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) Taya TB-410 |
| Bottom bracket shell width | American |
| Bottom bracket type | One Piece |
| Crankset parts and sizes | 1-piece Steel |
| Gear shift levers | Not Available |
| Rear gear set | 16 Teeth 1-speed |
Trek TR-20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Not Available |
| Fork type | Trek |
Other Specs of Trek TR-20
| Component group sets | Not Available |
| Pedals details | Alloy Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Bontrager FS Plus 10 |
| Seat post extension | 25.4 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, Kona provided us with the latest version of its Mama bike manual
- Find All parts, tires and accessories of Kona Mama BMX here
- Get your Trek TR-20 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Trek TR-20 BMX here