D3T DISTRIBUTION SAS ("We"), along with our Partners, use Cookies and Trackers to ensure the proper functioning of this website, to carry out audience measurements, to offer you personalized advertising and tailored offers, or to share content with you via social networks. Your data is shared with 10 of our Partners. We retain your choices for 6 months. You can change your mind at any time by clicking on "Set my Cookies" in the links at the bottom of the page. For more information, please consult our Cookie Policy.

List of our partners

Payment in up to 4x without fees + info

30 days returns

Help and contacts

EN - EUR

Motorbike

Basket

Motorbike helmets
Full-face helmets
Modular helmets
Jet helmets
Motorcross helmets
Kids helmets
Men's Motorcycle Gear
Motorbike Jackets Leather Motorbike Jackets Textile Motorbike Jackets Summer jackets Airbags Back protectors and other protective gear
Motorbike gloves Summer Motorbike Gloves Mid-season motorbike gloves Winter Motorbike Gloves Heated Motorbike Gloves Gore-Tex gloves
Motorbike pants Jeans Textile pants Leather Pants Waterproof pants Protectors/Sliders/Knee pads
Men's Motorcycle Boots and Shoes Motorbike Boots and Anckle Boots Motorcycle Sneakers and Shoes Waterproof boots, sneakers and shoes
Cold and Rain All heated products Neckwarmers/Balaclavas/Masks Technical and thermal underwear Inner-gloves/Over-gloves/Over-boots Rain Suit Rain jackets/pants
Race suits
Men's Equipment Packs
Women's motorbike gear
Women's Motorbike Jackets Leather jackets and vests Textile jackets and vests Waterproof jackets and vests Back protector and other protective gear Airbags
Women's Motorbike Gloves Summer Motorbike Gloves Mid-season Motorbike Gloves Winter Motorbike Gloves Heated Motorcbike Gloves Waterproof Motorbike Gloves
Women's Motorbike pants Women's Motorbike Jeans Textile pants Leather Pants Waterproof pants Protectors/Sliders/Knee pads
Women's Motorbike Boots and Shoes Sneakers and Shoes Boots and ankle-boots Waterproof boots and sneakers
Cold and rain Rain jackets and pants Neck warmers/balaclavas Inner gloves/Over gloves/Over boots Rain Suits Technical and thermal underwear
Race suits
Mx, Enduro and Trials
Motocross Motocross Helmets Motocross outfits Motocross Jerseys Motocross pants Motocross gloves Motocross boots Spare parts Boots Spare Parts Helmets
Enduro Enduro helmets Enduro jackets Enduro jerseys Enduro pants Enduro gloves Enduro boots Spare Parts Boots Enduro luggage
Kids Kids motocross helmets Masks Screens and Accessories Kids motocross outfits Jerseys Pants Gloves Boots Protections Chest protectors and vests Knee and elbow pads
Mx/Enduro Masks Masks Screens and Accessories
Mx/Enduro Protectors Chest protector/Protection vest Neck Protection Orthotics/ Knee pads/Elbow pads Technical Protection
Technical accessories Technical underwear Rainwear Hydration systems/camel backs Socks and leg warmers
Trial Trial Helmets Trial Jerseys Trial Pants Trial Boots
Mx/Enduro Prov equipment
MTB Helmet
Motorbike Tech
Intercoms and hands-free kits Communication Systems Intercom Accessories and Spare Parts
Smartphone accessories Phone cases Phone holders Adapters and Chargers
GPS and GPS trackers GPS and Tracker GPS holders
Motorbike Airbags
Airbags
Airbag Accessories and Refills
Motorbike parts and tools
Oil & maintenance spray Engine oils Liquids & lubricants Maintenance sprays & liquids
Motorbike filters Oil filters Air filters Air horns Filter accessories
Motorbike exhausts Complete exhaust systems Motorbike mufflers & silencers Motorbike manifolds Motorbike exhaust accessories
Motorbike braking Motorbike brake pads Motorcycle discs Lever, master cylinders & pedals Brake hoses Repair kits
Batteries & electrical parts Motorbike batteries and chargers Turn signal relays Starters CDI Box Stator Other electrical parts Neiman - Ignition switches
Transmissions Motorbike chain kits Motorbike chains Motorcycle sprockets Motorbike sprockets Scooter transmissions
Engine parts & cables Motorbike spark plug Clutch Carburation and injection Reed valve Seal Upper engine Lower engine Cable Cooling system
Wheels & inner tubes Inner tubes, foam & accessories Wheels & rims Wheel bearings
Shock absorber & suspension Shock absorber Fork oil seals Bearings Friction ring Lowering kit Reconditioning kit Starter hook
Tools and maintenance Motorbike maintenance products Battery chargers Workshop stands Motorbike covers Tools
Motorbike accessories
Locks & alarms
Motorbike customization Commodo & horns Speedometers & Indicators Handlebars & accessories Fork tees & handlebar clamps Handles & heated handles Gas cylinders Levers, clutch covers, master cylinders Footrests, selectors & pedals Rearview mirrors Motorbike kickstands Stickers & rim nets License plate holders Decoration kits Tanks & caps Insurance holders
Motorbike clothing & protective gear Winshields, windscreens & windjumps Plastic kits Radiator scoops and protectors Seat covers Bodywork & Fairings Mudguards Wheel arches Tank protectors Protectors & covers Motorbike shoes Crash bars & sliders Aprons & handle bar muffs
Lighting and signage Bulbs Turn signals and lights Indicator centrals/relay & resistors
Motorbike seats Comfort seat (or stock type)Universal seats Saddle covers
Tech GPS GPS accessories
Motorbike luggages
Top cases and motorbike suitcases
Saddlebagsand pillion bags
Tank Bags
Mounting brackets & installation kits
Tank pads for luggage
Back rests & sissy bars
Backpacks and leg bags
Transport bags
Sportswear
Caps/beanies/neck warmers
T-shirts/Shirts/Polo shirts/Sweatshirts
Jackets and down jackets
Transport bags and backpacks
Gift ideas
MotoGp Replicas
Motocross Sportswear
Deals and Promotions
Helmets and Accessories
Men's Motorbike Equipment
Women's motorbike equipment
Motorcross/Enduro/Trials
Motorcycle parts and accessories
Gift cards
EN | EUR €—Change
Brands
Contact us

Payment in up to 4x without fees + info

Homepage

Motorbike parts and tools

Engine parts & cables

Upper engine

Piston kit Vertex Complete cast rib A Bi-segment

Vertex Complete cast rib A Bi-segment Piston kitRef : 251043DA / 1095372001

Name: Complete cast rib A Bi-segment
Brand: Vertex
Price: 136.5 EUR
Availability: InStock

Recommended retail price:151,68 €?

136,50 €

Check compatibility

Add to basket 136,50 €

Payment in instalments available!

Try first, pay in 15 days

30 days returns

Description
Compatible motorbikes
Questions and answers

DescriptionVertex Complete cast rib A Bi-segment Piston kit

Product details :

Features

VERTEX Cast Piston - Manufacturer Ref. 23928A

Designed for off-road and enduro/cross sessions, this VERTEX cast piston provides the robust replacement part needed for modern 125 cm3 engines. Made from aluminium and precisely machined, it follows the "A" oversize specifications for a suitable fit for bores requiring this size. Its bi-segment design adheres to mounting standards to maintain the sealing and reliability of the top-end.

Type: cast piston, bi-segment
Piston diameter: Ø 53.940 mm
Bore diameter: 54.00 mm (oversize A)
Compression: standard
Material: aluminium
Associated components: segments 267450 – pin S736 – circlips CV15 – needle cage 400413

Vertex is renowned for its thermal manufacturing processes designed for off-road; this piston is suitable for replacements on cross machines and is compatible with many modern 125 models. Ideal for riders seeking an original manufacturer quality part, ready to hit the road or track.

Top 3 compatible bikes: KTM 125 SX (2025), HUSQVARNA TC 125 (2025), GAS GAS MC 125 (2025)

Technical information :

Reference

251043DA / 1095372001

Diameter

53.940

Material

Aluminum

Piston type

Cast

Coast

Dimensions

53.94 mm

Use

All-terrain

Compatible motorbikes

KTM8 compatible models

125 XC - 2023/2023125 SX - 2001/2027125 XC-W - 2017/2023 - 2025/2026125 EXC SIX DAYS - 2001/2017125 EXC FACTORY EDITION - 2010/2011 - 2015/2015125 EXC - 2001/2017125 SXS - 2000/2008125 SX FACTORY EDITION TYLA RATTRAY - 2005/2005

HUSQVARNA4 compatible models

TC 125 - 2014/2027TX 125 - 2017/2019TE 125 - 2014/2016TE 125 SPECIAL EDITION - 2014/2014

GAS-GAS3 compatible models

MC 125 - 2021/2026TXT 125 RACING - 2022/2023TXT 125 GP - 2022/2022

HUSABERG1 compatible model

TE 125 - 2012/2014