18" Whistle Miwok 1381D Mens' Bike, Black/White

Catalogue Number: 509-4521


  • Aluminium frame
  • 27
More product information

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Product Details

At the heart of the Miwok 1381D lies a distinctive hydroformed lightweight Aluminium frame, with a balanced geometry it provides superb control on the roughest of terrain. Up front is Suntour XCM suspension fork, with 100mm of travel to take the edge off the trail, the fork has adjustable preload so you can fine tune it for rider weight or terrain. The fork is also equipped with hydraulic lock-out which allows you to "switch off" the suspension, perfect for road riding. Specification highlights include 27 speed Shimano drivetrain for super fast easy gear selection, hydraulically actuated Shimano disc brakes with 160mm rotors, fantastic stopping power in all conditions. 32 hole Whistle double wall rims with Shimano disc hubs, colour co-ordinated Whistle DDK saddle and an alloy handlebar/stem combo. Solid mid level "serious" mountain bike. Frame: Lightweight alloy tubing, curve profile down tube, detachable rear gear hanger. Disc brake mounts. Fork: Suntour XCM Suspension fork, 100mm travel with adjustable preload. Hydraulic lock-out facility. Wheels: 26" Whistle MTB-XC 32 hole double wall rims, Shimano black disc hubs with quick release and matt black spokes. Black wall 26" X 1.95" black tyres. Gear System: Shimano 27 speed with Shimano Rapid-Fire SL STI shifters. Shimano Acera rear derailleur. Shimano front derailleur. Shimano 9 speed 11-32T cassette. Chainset: Shimano FCM-391 triple with alloy cranks and steel chainrings. Brakes: Shimano hydraulic disc brakes with 160mm rotors. Shimano alloy hydraulic levers. Handlebar and Stem: Byte alloy Ahead stem with kalloy alloy riser handlebars. Accessories: Colour co-ordinated Whistle DDK saddle. Byte black micro adjust alloy seat post. Frame Colour: White/Black. Fork Colour: Black. Weight: 16kg. Condition: New in box. Bike comes 95% built. Fitting of pedals and handlebars will be necessary as well as some adjustment to brakes and gears prior to riding.

Product specifications


Cassette (Rear Gear)
Speed indexed
Number Of Gears


Front Brakes
Disc brakes - cable
Rear Brakes
Disc brakes - cable


Frame Material


Wheel Size
26 in

Key Information

Frame Size UOM
Age Range
18 years upwards
Mountain bike
Frame Size


Frame Size


Minimal assembly required
1 1