I Made My 5.5kg BMC Even Lighter - Diminishing Returns Hit Hard
00:15:22Tom Bowers Cycling

I Made My 5.5kg BMC Even Lighter - Diminishing Returns Hit Hard

Tom Bowers Cycling

11 gennaio 2026

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Descrizione

In Part 2 of my attempt to build a genuinely raceable 5kg hill climb bike, things start to get a lot harder.
After Part 1, I took on loads of your suggestions and made a series of logical weight-saving changes, removing inefficiencies, optimising parts I already had, and revisiting some decisions from earlier in the build.

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2026/01/12 00:00:00 PST - 2026/01/18 23:59:59 PST

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Timestamps
0:00 Intro
0:57 Your Suggestions
2:48 OSPW
4:10 Tyres
6:06 Skewers
6:44 Shifter Clamps
8:00 Chainring
9:10 ZTTO SLR gen 3 Cassette
11:10 Shorter Chain
12:28 Conclusions and Final Weight

#aliexpresshaul #bikeupgrade #aliexpress #roadbike #weightweenie

Keywords: 5kg bike build,5kg bike,sub 5kg bike,lightweight bike build,ultralight bike,hill climb bike,hill climb cycling,BMC hill climb bike,BMC lightweight build,weight weenie bike,cycling weight saving,road bike weight reduction,cycling upgrades,bike weight reduction,AliExpress bike parts,AliExpress cycling,AliExpress bike build,cheap bike upgrades,cycling engineering,custom bike build,road bike build,cycling performance,climbing bike,road cycling content

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Scade tra: 1 giorno
Bigrock Carbon Crank 24mm For Sram Cranks

Bigrock Carbon Crank 24mm For Sram Cranks

Creato: 14 agosto 2025

Il recensore menziona i pedivelle Bigrock come un aggiornamento installato in un video precedente (parte uno). Afferma che i pedivelle sono stati installati con il loro ragno stock e una corona a 4 bulloni, che era leggera ma non ha fatto risparmiare molto peso rispetto al precedente gruppo pedivelle SRAM Red. Tuttavia, i pedivelle Bigrock hanno corretto la linea catena 'in modo piuttosto considerevole.' Il recensore nota che i pedivelle sono configurati per funzionare con corone a montaggio diretto SRAM a 3 bulloni, il che ha permesso loro di aggiornare a una corona a montaggio diretto E13 più leggera per ulteriori risparmi di peso e un aspetto più pulito.

Riepilogo IA

Pros

  • Ha corretto la linea catena 'in modo piuttosto considerevole.'
  • Configurato per funzionare con corone a montaggio diretto SRAM a 3 bulloni, consentendo un aggiornamento a corona più leggera.

Cons

  • Quando installato con il ragno stock e una corona a 4 bulloni, 'non mi ha fatto risparmiare molto rispetto al mio gruppo pedivella SRAM Red.'

MyBikeParts

Bigrock Carbon  Crank162.5/165/167.5/170/172.5/175 Cycling Parts 354g Bicycle Crankset For BCD 110  Axis 24mm For Sram Cranks - AliExpress 18

Bigrock Carbon Crank162.5/165/167.5/170/172.5/175 Cycling Parts 354g Bicycle Crankset For BCD 110 Axis 24mm For Sram Cranks - AliExpress 18

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