![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_PD_900x600_7736877f-55e3-4bc8-a971-59e20186c8c9_{width}x.png?v=1562862403)
![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_3Q_900x600_1d10cf12-539c-4ce3-b832-bb0e07097b62_{width}x.png?v=1562862403)
![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_D4_900x600_5384b913-8413-487f-bc2b-d59a25aacfc5_{width}x.png?v=1562862403)
![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_D1_900x600_a51eb9a7-773a-40d8-84d5-2a782b8bf4b7_{width}x.png?v=1562862403)
![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_D2_900x600_6ef9ad75-c597-4571-abae-93277d30d872_{width}x.png?v=1562862403)
![Cipher 20](http://int.mongoose.com/cdn/shop/products/M20_20U_Cipher-BLU_D3_900x600_45813959-7991-4a21-a369-0958e3a11170_{width}x.png?v=1562862403)
![](http://cdn.shopify.com/s/files/1/0259/9682/0573/files/Cipher_large.png?v=1563983452)
The Cipher is designed to be the perfect introductory multi-speed bike for kids. Equipped with aluminum rigid fork, simple gearing, and comfortable larger tires, the Cipher offers kids a lightweight, versatile bike for effortless, fun-filled everyday riding. Available in in 16”, 20” and 24” models.
Specifications
Frame Tectonic T1, aluminum, 20” urban geometry, horizontal dropout
Fork Mongoose, 20”, aluminum steerer, aluminum blades, 9 mm x 100 mm, QR
Crank Prowheel PRA-112PP, aluminum, 32T
Chain KMC Z1 Wide
Bottom Bracket Prowheel, cartridge, 3-piece, threaded 68 mm shell
Shifters Shimano SL-3S41, 3
Rear Cog Shimano, 3-speed, 18T
Rims Xposure XP-163, aluminum single wall, 20 mm ID, 24H, non tubeless
Front Hub Xposure, aluminum, ball bearing, 9 mm x 100 mm, 24H
Rear Hub Shimano 3 speed, aluminum, ball bearing, bolt on x 120mm, 28H
Spokes 14G, stainless steel
Tires Kenda K-1153, 20 in x 1.75 in, wire bead
Pedals Mongoose, nylon
Brakes Nexus Inter3 with coaster brake hub and front/rear v-brakes
Handlebar Xposure, aluminum, 520mm width, 25.4 mm clamp
Stem Xposure, threadless, 60 mm, 25.4 mm clamp
Headset Threadless, ZS44/ZS44, retainer bearing
Seat Post Xposure, aluminum, 300 mm, zero offset, 27.2 mm
Saddle Mongoose kids, steel rails
Grips Xposure, single density
Sizes One Size
Geometry & Sizing
![](https://cdn.shopify.com/s/files/1/0259/9682/0573/t/11/assets/9f900dbdc83f--M_GeoDiagram_PavementGuide.jpg?9956)