UNO Ultralight 7/17 Degrees Bike Stems MTB Mountain Road Bicycle Stem 31.8* 60 -130mm

The UNO Ultralight stem is a budget-friendly, lightweight aluminum stem that offers good value for bike fit experimentation and hill climb builds, with mixed feedback on durability and finish.

Pros

Lightweight (104-149g)
Very affordable (under £15)
Good for bike fit experimentation or hill climb builds
Durable enough for demanding events

Cons

Potential quality control issues (finish, bolt tightness)
Not as stiff as higher-end stems
May require careful torque settings to avoid damage

Key Facts

Weighs 104-149g depending on length and angle
31.8mm handlebar clamp, 1 1/8 inch steerer tube
Available in -7 degree angle and lengths 60-130mm

Reviews & Ratings

BikeRadar on YouTube6 days ago

00:14:23@ 07:44

13 Cheap AliExpress Bike Parts That Are Surprisingly Good (+ 2 That Suck)

The reviewer discusses the UNO Ultralight stem as a popular AliExpress item, noting it is a standard aluminum stem for 31.8mm handlebars and 1 1/8 inch steerer. They mention it is fairly light at 149g for a -7 degree, 110mm version and costs only £11.77. The stem is recommended for experimenting with bike fit or for hill climb builds due to its low cost and reasonable weight.

AI Summary

Pros

Lightweight at 149g
Very affordable at £11.77
Good for experimenting with bike fit or hill climb builds

Key Points

Standard 31.8mm handlebar clamp
1 1/8 inch steerer tube
Available in -7 degree angle and 110mm length

Tom Bowers Cycling on YouTubeover 1 year ago

00:12:06

How I Built a Sub-6kg Climbing Bike for Under £1000!

The reviewer discusses the UNO Advanced stem as a value upgrade, mentioning its lightweight and affordability. They highlight that the stem, along with a cheap AliExpress bolt, only weighs 104 grams and cost less than £15. They also mention surviving a tough cycling event (three-Peak cyc across) with this stem, indicating confidence in its durability despite its low cost.

AI Summary