Product overview
At the heart of this bike is a light Alpha White Aluminium frame, backed with a lifetime warranty. It has a comfortable, upright riding position, an easy to use 24 speed Shimano drivetrain, powerful alloy V-brakes and light alloy wheels, fitted with mixed use tyres. The 3900 comes fitted with a suspension fork offering 80mm of travel for added comfort and control.
Technical Specifications
| Frame |
Alpha White Aluminum w/externally relieved head tube, bi-axial down tube, disc compatible dropouts |
| Forks |
SR Suntour XCT V2 w/preload, 80mm travel |
| Wheels |
Alloy front, Shimano RM30 rear hub; Matrix 550 rims |
| Tyres |
Bontrager Connection Trail, 26x2.0"; 27 tpi |
| Shifters |
Shimano EF50, 8 speed |
| Front Deraileur |
Shimano Acera |
| Crank |
SR Suntour XCC-T102 42/34/24 |
| Casette |
SRAM PG830 11-32, 8 speed |
| Pedals |
Nylon platform |
| Saddle |
Bontrager Approved |
| Seat Post |
Bontrager Approved |
| Handle Bars |
Bontrager Approved, 30mm rise |
| Stem |
Bontrager Approved, 25 degree |
| Headset |
Aheadset Slimstak w/semi-cartridge bearings, sealed |
Frame Geometry
| Size |
(A) Effective top tube |
(B) Head angle |
(C) Seat angle |
(D) Chain stay |
(E) BB height |
(F) Wheel base |
| 16" |
556.3cm |
70.5° |
73.5° |
429.3cm |
292.1cm |
103.89cm |
| 18" |
569cm |
70.5° |
73.5° |
429.3cm |
292.1cm |
105.66cm |
| 19.5" |
584.2cm |
70.5° |
73° |
429.3cm |
292.1cm |
106.68cm |
| 21" |
594.4cm |
70.5° |
73° |
429.3cm |
292.1cm |
107.95cm |