Brother Cycles Thru Axles
15x100 fork, 150mm: Big Bro non-Boost
£15.00
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Brother Cycles Thru Axles
£15.00
- 4.9 from 782 Google reviews
- Independent Bike Dealer of the Year 2025, BikeBiz Awards
- UK delivery from £4.99, or free collection from our Bow shop at E3 3XS.
- Checked by our team before it leaves us
Collecting instead? Email us or message us on WhatsApp before you visit, so we can have it ready for you.
Replacement front and rear thru axles for Brother frames and forks, in every length and thread they use.
Lost or damaged a thru axle? Pick the option for your frame or fork below. Thread pitch and length matter, so if you are not sure which you need, bring the bike in and we will match it.
Why we stock it:
- Exact fit: each option matches a specific Brother frame or fork
- Covers the range: eight options from the Kepler to the Big Bro Boost
Specification
- Option 1: 12x142mm rear, 174mm, M12 x P1.75, 20mm thread (Big Bro non-Boost, Mehteh non-UDH, Kepler, Stroma)
- Option 2: 15x100mm fork, 150mm, M15 x P1.5, 20mm thread (Big Bro non-Boost)
- Option 3: 12x100mm fork, 125mm, M12 x P1.5, 16mm thread (Kepler and Steel Gravel fork)
- Option 4: 12x100mm fork, 120mm, M12 x P1.5, 14mm thread (Stroma and Carbon Gravel Fork v1)
- Option 5: 12x100mm fork, 126mm, M12 x P1.5, 13mm thread (Carbon Gravel Fork v2)
- Option 6: 12x148mm rear, 180mm, M12 x P1.75, 20mm thread (Big Bro Boost non-UDH)
- Option 7: 15x110mm fork, 158mm, M15 x P1.5, 12mm thread (Big Bro Boost)
- Option 8: SRAM UDH 12x142mm rear, 173.5mm, M12 x P1.0, 14mm thread (2025 Mehteh)
Ideal for: Brother owners replacing a lost or damaged axle.
Not sure which version fits your frame? Bring the bike to our workshop in Bow and we will check it and fit it for you. See the full Brother Cycles range or book a fitting with our workshop.