Freewheel: Shimano FW-7I and Shimano 14T-28T. Front Derailleur: Shimano FD-TZ50. Rear Derailleur: Shimano RD-TY50. The flying mountain bikes with 21 speeds contains the following features As well as a general check over of all fixings on pre assembled parts(wheels, crank, chain, etc).
Toolmoo 26 Inch Wheel Mountain Bike 21 Speed Bicycle for Adult, Front and Rear Dual Shock Absorption, Camping Bicycle, Height Adjustable,Mountain Bicycle for Roadways Free Return : Sports & Outdoors
TREK 810 FRONT Suspension Mountain Bike Bicycle 21 Shimano Gears Brand new tyres £145.00 - PicClick UK
TREK 810 FRONT Suspension Mountain Bike Bicycle 21 Shimano Gears Brand new tyres £145.00 - PicClick UK
MOUNTAIN BIKE £1,000.00 - PicClick UK
UK Stock Lightweight 27.5'' Mountain Bikes Bicycles 21 Speeds SHIMANO Alloy Fram
AL CARTER SACRAMENTO Mens Mountain Bike Bicycle 21 Speed Gears Shimano 16 Frame £50.00 - PicClick UK
MOUNTAIN BIKE £60.00 - PicClick UK
UK Stock Lightweight 27.5'' Mountain Bikes Bicycles 21 Speeds SHIMANO Alloy Fram
YOJOLO Mountain Bike Frame 26'' Aluminum Alloy Disc Brake MTB 16.5 Inch Press-in Bottom Bracket Ultralight Bicycle Rear Axle 135mm For 26er Wheel ( Color : Black Green, Size 26x16.5 )