JRD 24

This is a great off roader. It has a unisex geometry specific for juniors. A 24-speed drive train and high end components grant riding fun pure.
Equipment
Frame / Saddle / Stem
Frame 24" 6061 alu JR MTB frame
Seatpost Alloy 27.2 x 300
Saddle DDK D-516
Handlebar Alloy 600 mm
Stem Alloy 90 mm, 15°
Color Blue
Suspension / Brakes / Wheels
Fork MJ-350D suspension fork
Travel 80 mm
Breakes Alloy mechanical disc brake
Brake Leaver Shimano ST-EF500
Tire Chaoyang 24 x 1.95
Rim PH-XLM-20 alloy
Front Hub SF-A210F Alloy disc hub with QR
Rear Hub SF-A210R Alloy disc hub
Spokes Stainless
JRD 24 / Circuit
CRC 3811107
Headset 1 1/8" A-head
Bottom Bracket Steel 68 x 122.5 mm
Chainwheel Prowheel steel/alloy 42/34/24
Chain FP802 106L
Pedal FP-806 plastic
Front Derailleur Shimano FD-TZ500
Rear Derailleur Shimano RD-TY300 8-speed
Shifter Shimano ST-EF500
Freewheel KDF 13-28T 8-speed
Bild
Geometry
A:head angle B:seat angle C:top tube D:chain stay E:offset F:wheelbase
Gif

When selecting a new bicycle, the correct choice of frame size is a very important safety factor. Most full-sized bicycles come in a range of frame sizes. These sizes usually refer to the distance between the center of the bottom bracket and the top of the frame seat tube.

For safe and comfortable riding, there should be a clearance of between 25 mm and 50 mm beween the crotch of the intended rider and the top tube (horizontal tube below (C), extending from seat post quick release to steering) of the bicycle frame, while the rider straddles the bicycle with both feet flat on the ground.

The ideal clearance will vary between types of bicycles and riders preferences. This makes stradding the frame when off the saddle easier and safer in situations such as in sudden traffic stops.
To assist the wohmen in choosing the correct size, a men's style bicycle could be used for reference..

The diagram should help in mainge the right choice.

Size A B C D E F G H UPC Code
15" 71.00° 72.5° 525 mm 410 mm - 983 mm - - -
Download specifications
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