mini folding bike silver drive side mini folding bike standing waterfront mini white with Chevy compact car mini folding bike downtube logo mini folding bike waterfall mini folding bike sunset non-drive side mini folding bike at the beach mini folding bike in the park mini folding bike silver folded mini folding bike ridden by 7 year old mini folding bike on the water mini folding bike folded mini folding bike with 7 year old mini folding bike in suitcase mini folding bike water mini folding bike blue pedal mini folding bike white background mini folding bike blue rear rack mini folding bike blue rear hub mini folding bike blue seat stay mini folding bike bell mini folding bike reflector mini folding bike front brakes mini folding bike frame text mini folding bike rack and rear fender mini folding bike silver crank mini folding bike saddle mini folding bike stem qr mini folding bike silver fork mini folding bike with kids on top of a jug mini folding bike silver shifter mini folding bike silver seat stay mini silver hinge mini folding bike silver standing
mini folding bike silver drive side
mini folding bike standing waterfront
mini white with Chevy compact car
mini folding bike downtube logo
mini folding bike waterfall
mini folding bike sunset non-drive side
mini folding bike at the beach
mini folding bike in the park
mini folding bike silver folded
mini folding bike ridden by 7 year old
mini folding bike on the water
mini folding bike folded
mini folding bike with 7 year old
mini folding bike in suitcase
mini folding bike water
mini folding bike blue pedal
mini folding bike white background
mini folding bike blue rear rack
mini folding bike blue rear hub
mini folding bike blue seat stay
mini folding bike bell
mini folding bike reflector
mini folding bike front brakes
mini folding bike frame text
mini folding bike rack and rear fender
mini folding bike silver crank
mini folding bike saddle
mini folding bike stem qr
mini folding bike silver fork
mini folding bike with kids on top of a jug
mini folding bike silver shifter
mini folding bike silver seat stay
mini silver hinge
mini folding bike silver standing
Downtube

Downtube miniB belt drive Folding Bike

$1,399.00
$859.00
( 7 Reviews )

The Ultimate Travel Bike

The 16 inch miniB is our smallest and lightest bike, which makes it the perfect to take along when you travel. Thanks to its super-compact folding size, the miniB can easily fit into any size vehicle or even a standard sized suitcase. The lightweight aluminum components of the miniB make it super light so it can be carried around with ease.

Despite its small size, the miniB has the same high-quality parts that you'd expect on a Downtube folding bike. The miniB's Shimano Nexus 8-speed internal hub is paired with a Gates CDX belt drive system and has a gear range of 307%, which is the equivalent of a traditional derailleur system.

Replacing the traditional derailleur system with the internal hub/belt system eliminates one of the weakest points of traditional bikes, which is the derailleur system. In addition to making the entire system stronger and more vibrant, the internal hub system is clean and grease-free. This means no more black streaks on your legs or pants. Storage is much more convenient as you won't have to worry about the grease smearing everything that you store the bike with.

Shimano's high-end internal hub system results in a super-smooth shifting that makes riding the MiniB so smooth and enjoyable.

To take convenient even further, the super-lightweight aluminum frame of the MiniB has an integrated headset and bag interface on the headtube (custom bags coming soon!). The rack, kickstand, and rear fender are included as free accessories with the MiniB. You can carry your belongings around with the MiniB's rack while the rear fender will help you stay clean even on the dirtiest terrains.

The top-tier Tektro V brakes and the machined-sidewall rims on the MiniB provide a flawless braking experience even in the most difficult conditions.

If you are looking for a quality portable bike to accompany you on your travels, the MiniB is what you're looking for. Whether you're headed for the airport, railway station or going on your next boating or RV adventure, the MiniB is a travel partner that you'll never get bored of.

Features

  • Folded size: approx 13" x 22" x 31.5"
  • Weight: 25.5 lbs (w/o rack, fender, kickstand, saddle, pedals). Please note all these are included
  • Folding time: 15 sec
  • Rider Height: 4'9" - 6'1" & 235 lbs max rider weight
  • Shimano Nexus 8sp hub ( 307% gear range ) and Shimano grip shift
  • Gates CDX Carbon belt drive with 70T front ring and 22T cog
  • Frame: Xtra-Light Aluminum frame
  • Sub 15 second folding time
  • Gear Inches: 8sp 22.6 ( 1st ) - 69.2 ( 8th )
  • Tektro V-brakes and Levers
  • Folding left and right pedals for compactness
  • High rise handlebars to allow the rider to stretch out and feel comfortable
  • Quality comfort foam grips
  • Front Quick Release skewer (Internal hubs can not have QRs.)
  • Comfortable soft gel saddle
  • Stem has a screw in dial to minimize flex.
  • Adjustable height stem
  • Cold forged crank with replaceable chain ring
  • Stronger V shaped rims with machined sidewall rims to improve braking performance
  • Water bottle braze-ons
  • Oversized 1 1/8in integrated headset, for increased durability and performance
  • Double wall machined sidewall 16in alloy rims
  • Quality front and rear 1.5" Kenda tires
  • Pedals: Folding right and left

Specifications

FRAME Downtube Aluminum frame
Shock N/A
FORK Chien sheng  CS-910A    alloy  unicrown
HANDLEBAR HL Corp. MTB-AL-153PP  W:580mm alloy
HANDLEBAR STEM HL Corp FB-AL-196-8  alloy 25.4x25.4  x400 L. 
BAR ENDS Kalloy BE-21 alloy  L:80mm
GRIPS Jie Li JL-311/312 110/80mm
HEAD SET Neco
SADDLE Velo VL-3037 3-04  B39  PU foam type, vinyl top
SEAT POST HL Corp. SP-233   alloy 30.4x550mmL
SEAT PIN Yen Yue
B.B. PARTS VP BC73  steel 5pcs-set w/nut type axle B3P
CHAINWHEEL Gates CDX 70T CT11705AA (78980190)
CRANK Prowheel cold forged alloy 170mm 
PEDALS VP FLD50 foldable Hi-impact P.P body 9/16"
BELT Gates CDX Belt 11M-115T-12CT Blue (92550840) 115L
TIRES Kenda F:16"x 1.5" R:16"x1.5"
TUBES Kenda
RIMS HJC P6N alloy  F:16"x1.5" x14Gx24H  R:16"x1.5x 32H CNC
SPOKES & NIPPLES 14G*56  pcs,45 stainless  braze nipples
FRONT HUB KT AP5F  alloy 14Gx24HxM9"   QR 
REAR HUB Shimano Nexus 8 INTERNAL HUB GEAR 8sp 135mm 
R/DERAILLEUR N/A
SHIFTER(S) Shimano Nexus 8sp grip shifter
FREEWHEEL Gates CDX 22T CT1122NMN (78980117)
FRONT BRAKE Tektro MINI-10  V-Brake 55MM shoes
REAR BRAKE (I) Tektro MINI-10 V-Brake 55MM shoes
BRAKE LEVERS Tektro RS392A, alloy levers w/alloy black clamp

 

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Reviews

7 Reviews

5/5
Robes J London Jan 23rd 2019

Mini B

I own two Brompton folding bikes (6 speed and a 2 speed) that I have always enjoyed. I discovered the Downtube Mini B while searching for belt driven folding bikes. I desired the cleaner and lower maintenance of a belt driven, folding bike that had 16" wheels like my Brompton bikes. I found that in the Mini B model.
The Mini B is a nice looking , smooth riding, and quite riding bike that the belt drive lends to. I love most everything about my Mini B, except for two things. Since I have long arms and I adjusted my handlebars to move further away from me in a more aggressive lean, besides the two hand extension grips now being angled forward more, the wheels cannot close close enough together due to the handlebar position keeping the wheels from closing more. This also makes it harder to fit into a bike bag since the wheels are now further apart making the bike wider when folded . I thus have to remove the seat with post in order to zip up the bike bag closed. I do not have any such issue like this with my Brompton bikes which will fold super compact and easily fit in any bike bag no matter how aggressive I may adjust the handlebars on them.
The second issue is the 8 spd , Shimano shifter is rather stiff to shift gears which is what I read on reviews. Not very smooth to shift that round, handlebar lever into gears. I hope it smoothens out and shifts with ease with time and use.
Other than that, I do like my new Mini B very much and since I only want two bikes, I'm selling my 6 speed Brompton , and keeping the 2 spd one along with my new Mini B.
I give the Mini B a thumbs up !

5/5
G Geof Gee Sep 4th 2017

Great service

I just received the Mini and did a few modifications to it. While I have ridden too few miles to give a quality review of the bike, I will write that Yan has been more than helpful responding to e-mails and providing good customer service. In our case, the handlebar base never arrived. I e-mailed Yan and in less than 24 hours, a new handlebar base was mailed to us.

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