Tom Bowers Cycling - I Won’t Stop Until This Bike Is Under 5kg - Things Get Extreme!

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Description

I said I wouldn’t stop until this bike was under 5kg… so I didn’t.
Starting at 5.2kg, I cut, drilled and swapped parts until my BMC Teammachine road bike hit the target.

Members get early access to videos like this, plus some behind the scenes and uncut race efforts. https://www.youtube.com/channel/UCbrVORXROD1NVRYPf7HFQ7g/join

Check out the AliExpress parts used
HUDUD Crank https://s.click.aliexpress.com/e/_c3BYLXlZ
SeatClamp https://www.aliexpress.com/item/1005009546283707.html

Other Items I recommend:
https://s.click.aliexpress.com/e/_EGiSiXq

AliExpress Discount Codes
Discount Codes:
$3 off on orders over $29:【IFPOQPNP】
$6 off on orders over $59:【IFPAI5BM】
$9 off on orders over $89:【IFPCCEU1】
$16 off on orders over $149:【IFPRJEDO】
$23 off on orders over $199:【IFPRZQOA】
$30 off on orders over $269:【IFPCRKYY】
$40 off on orders over $369:【IFPLWWMJ】
$50 off on orders over $469:【IFPMSZZB】
$60 off on orders over $599:【IFPAZAYB】
$70 off on orders over $699:【IFPB5SBL】

Follow me on socials:
Instagram: https://www.instagram.com/tom_bowers_/
Strava: https://www.strava.com/athletes/1876048
Twitter/X: https://x.com/fairlylongbike
Zwift: https://www.zwift.com/eu/athlete/bde9894b-26cf-4671-b04f-968b0f5e5987

📩 Business enquiries:
tom@tbcycling.uk

Timestamps:
0:00 The 5kg Goal
1:09 Chopping The Drops (No Going Back)
3:37 Dura Ace 9150 Shifters
5:38 Drilling Out The Front Mech Mount
6:23 Ultra Light Seat Clamp
6:52 Crazy AliExpress Carbon Cranks
9:42 Final Weigh In

Keywords: sub 5kg bike,5kg road bike,ultra lightweight road bike,hill climb bike build,weight weenie road bike,bmc slr01 build,lightweight cycling build,marginal gains cycling,dura ace 9150,hudud crankset,carbon crank under 300g,extreme bike build,custom road bike build,shaving grams cycling,lightest road bike,road bike under 5kg,hill climb racing bike,bike weight reduction,cycling obsession build,hill climb build

Bike part mentions in this video

HY Fit BMC Seatpost Clamp TeamMachine SLR01/SLR02 (2014~2017)

Created: February 27, 2026

The reviewer briefly mentions swapping out the original seat clamp for a lighter one of the same design purchased from AliExpress.

AI-Summary

Pros

  • Lighter weight (saved approximately 6.1 grams)

Cons

  • No cons found in the analysis.

Key Points

  • The original clamp weighed 18.5 grams.
  • The new HY Fit clamp weighed 12.4 grams.
  • The reviewer describes the weight saving as 'very modest but... real saving'.
aliexpress.com
Rating there:
5.0 (3 reviews)
Last checked:
20 days
ago

HUDUD Carbon Road Bike Crankset

Created: March 06, 2026

The reviewer briefly mentions the HUDUD Carbon Road Bike Crankset 277g Ultra Light 24mm Titanium Axle Easton Spider Fit Xcadey Sigeyi Power Meter but does not provide detailed analysis.

AI-Summary

Pros

  • It is incredibly light, with the cranks themselves weighing just 285g in 170mm length.

Cons

  • No cons found in the analysis.

Key Points

  • Claimed sub-300g weight for a 170mm crankset.
  • Uses a 24mm titanium axle.
  • Comes with a carbon spider for a cinch-style mount.
  • Cost about £200 from AliExpress.
aliexpress.com
Rating there:
4.7 (26 reviews)
Last checked:
13 days
ago