Contact Us: 01539 267562

Black bicycle bottom bracket on a white background
BIKONE - T47 External Bottom Bracket
BIKONE - T47 External Bottom Bracket
BIKONE - T47 External Bottom Bracket
BIKONE - T47 External Bottom Bracket
BIKONE - T47 External Bottom Bracket
Load image into Gallery viewer, Black bicycle bottom bracket on a white background
Load image into Gallery viewer, BIKONE - T47 External Bottom Bracket
Load image into Gallery viewer, BIKONE - T47 External Bottom Bracket
Load image into Gallery viewer, BIKONE - T47 External Bottom Bracket
Load image into Gallery viewer, BIKONE - T47 External Bottom Bracket
Load image into Gallery viewer, BIKONE - T47 External Bottom Bracket

SKU: T47 SteelSHIM

BIKONE - T47 External Bottom Bracket

Bikone

For T47 frames with 68 or 73mm wide, threaded 47mm bottom brackets. This will work for both Road (68mm) and MTB (73mm) 

Although the unit look strange it uses a regular T47 tool. OD 52mm ID 48.2mm and 16 notch. We also sell the required tool or you can use Park Tool BBT-47-16 or similar. 

Weight: 113grams

Available in Ceramic or Steel Bearings and for Shimano (24mm) SRAM (29mm) or 30mm cranks. 

Hybrid Ceramic Bearings, meaning Steel Races, with Ceramic Balls. Steal Bearings are all steel. Both made to ABEC 5 / P5 Precision Tolerance. They use 2RS (Two Rubber Seals) 

For SRAM DUB wide cranksets you will need an additional spacer kit 

Crank:
Bearings:
£75.00 GBP
£75.00 GBP £75.00 GBP
Sale Sold out
/
Tax included.
This is a pre order item. We will ship it when it comes in stock.
Design Your Custom Bike
Design Your Custom Bike

  • Design Your Custom Bike

  • A custom bike should fit you—not the other way around.
Our Process

Chat with a Mechanic | Free Consultation

A custom build is more than just a bike — it’s a ride tailored to your body, your goals, and your style. Fill out the form below and our mechanics will get back to you to discuss your project in detail.

Custom Image Gallery
Mapdec Brands

Shop All Framesets

45% Off
TIME ADH Gloss Black TIME ADH RED
+5
+4
+3
+2
+1
£1,799.00 GBP
£1,799.00 GBP
£3,299.00 GBP
This frame takes 10 days to arrive at Mapdec. The TIME Alpe D'Huez is the modern perfection of the road bike. Classic in design, reassuringly stiff, but surprisingly comfortable.  This has to be on...
18% Off
TIME Alpe d'Huez X TIME Alpe d'Huez X
+5
+4
+3
+2
+1
from £2,698.80 GBP
from £2,698.80 GBP
£3,299.00 GBP
We currently have one large, brilliant green frame in stock at Mapdec. This frame take 10 days to arrive at Mapdec. Meet Alpe d’Huez X – the zenith of agility and expanded possibilities. Engineere...
TIME ADHX 45 TIME ADHX 45
+4
+3
+2
+1
from £3,299.00 GBP
from £3,299.00 GBP
This frame takes 10 days to arrive at Mapdec. Build for maximum gravel performance. The ADHX 45 is the most aggressive off-road bike in the TIME lineup, built for riders who want a smooth and respo...
TIME Scylon TIME Scylon
+4
+3
+2
+1
£4,099.00 GBP
£4,099.00 GBP
This frame takes 10 days to arrive at Mapdec. The all-new 2025 TIME Scylon— crafted for precision handling, and ultimate speed. Engineered with our next-gen carbon fiber technology, this bike is de...
FiftyOne Sika Frameset FiftyOne Sika Frameset
+2
+1
£3,899.00 GBP
£3,899.00 GBP
This frame takes 10 days to arrive at Mapdec. The Sika is a cutting-edge road bike that delivers top-level performance in a package tailored for real riders, not for pros. It combines feathery...
Extrema Italia Extrema Italia
+3
+2
+1
from £4,868.00 GBP
from £4,868.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks. However, if a frame is shown in stock, we can ship it immediately. The Extrema Italia gravel frame is designed for the har...
RaceMax Italia RaceMax Italia
+5
+4
+3
+2
+1
from £4,868.00 GBP
from £4,868.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks. However, if a frame is shown in stock, we can ship it immediately. Full-aero gravel frameset with fully integrated cable r...
RaceMax RaceMax
+5
+4
+3
+2
+1
£3,984.00 GBP
£3,984.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks. However, if a frame is shown in stock, we can ship it immediately. Designed to be the perfect gravel race machine: The Rac...
LOOK 785 road bike frame, black with Red, yellow, white and blue detailing following a broken line pattern. White LOOK logo. LOOK 785 bike frame with red, yellow, white and blue detailing following a broken line pattern. Large black LOOK logo.
+2
+1
£2,490.00 GBP
£2,490.00 GBP
Grab it while you can—one Medium Pro Team Black is in stock now at Mapdec! Our focus is custom-building bikes to order, with lead times of 3-4 weeks. However, if a frame is shown in stock, we can ...
20% Off
LOOK 765 plus FREE Mudguards LOOK 765 plus FREE Mudguards
£1,799.00 GBP
£1,799.00 GBP
£2,250.00 GBP
In Stock Now at Mapdec – Ready for Immediate Delivery (Size: Medium)  This frameset includes a FREE set of mudguards.  The LOOK 765 is a light and fast endurance-oriented bike. Incredibly versatile...
LOOK 795 Blade RS Look 795 Grey
+5
+4
+3
+2
+1
£5,390.00 GBP
£5,390.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks. However, if a frame is shown in stock, we can ship it immediately.  The LOOK 795 Blade RS for 2024 is the iconic race fram...
Wilier Granturismo SL Frameset Wilier Granturismo SL Frameset
+2
+1
£2,699.00 GBP
£2,699.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks.  Experience the ultimate blend of comfort and performance with the Wilier Granturismo SL. Designed for long-distance rides...
Wilier Garda Frameset Wilier Garda Frameset
+3
+2
+1
£1,599.00 GBP
£1,599.00 GBP
Garda is the perfect product for those who want a modern bike with a stress-free ride. With Garda, Wilier redesigned the entry-level carbon race bike giving it a modern interpretation, with cables ...
Wilier Filante SL Frameset Wilier Filante SL Frameset
+4
+3
+2
+1
£2,999.00 GBP
£2,999.00 GBP
Our focus is custom-building bikes to order, with lead times of 3-4 weeks.  The Wilier Filante SL, a racing road bike that embodies the spirit of its high-end counterpart, the Filante SLR. Designed...
Rave SL Frameset Rave SL Frameset
+2
+1
£2,499.00 GBP
£2,499.00 GBP
The Rave SL is Wiliers second step towards a new horizon. An origin shared with the Rave SLR project. Race geometries come together in a single bike endowed with two souls: road and gravel. Wilier ...
Rave SLR ID2 Frameset Rave SLR ID2 Frameset
+4
+3
+2
+1
£3,637.83 GBP
£3,637.83 GBP
Racing attitude and balanced competition geometries: both less extreme than Filante SLR and Verticale SLR, the bikes used by the Groupama - FDJ professionals. Wilier have redrawn the boundaries of ...
Filante SLR Frameset Filante SLR Frameset
+6
+5
+4
+3
+2
+1
£4,330.75 GBP
£4,330.75 GBP
Filante SLR is an extremely lightweight aerodynamic bicycle with a significantly improved stiffness-to-weight ratio. The inside of the front fork has been widened by 7 mm, making it 13.6% wider tha...
Verticale SLR Frameset Verticale SLR Frameset
+3
+2
+1
£5,023.67 GBP
£5,023.67 GBP
Lighter weight, greater responsiveness, improved performance levels.The Verticale SLR is today the best calling card for Wilier, the new generation of the best Italian bicycle manufacturers. For th...
26% Off
LOOK 795 Blade 2 RS Iconic Colorway LOOK 795 Blade 2 RS Iconic Colorway
£3,999.00 GBP
£3,999.00 GBP
£5,390.00 GBP
In Stock Now at Mapdec – Ready for Immediate Delivery (Size: Small)  Experience the unmatched performance of a true racing machine. The 795 BLADE RS ICONIC EDITION is engineered for pure speed, com...
45% Off
Time ADH White Logo Time ADH White Logo
£1,799.00 GBP
£1,799.00 GBP
£3,299.00 GBP
In Stock Now at Mapdec – Ready for Immediate Delivery   (Size: Extra Small) These ADH 24 road bike frames feature the discontinued 2023 white logo colour scheme. They are identical in design and sp...
40% Off
Salsa Blackthorn Salsa Blackthorn
£1,499.00 GBP
£1,499.00 GBP
£2,492.86 GBP
In Stock Now at Mapdec – Ready for Immediate Delivery (Size: Small) Key Features: 890g high-performance frame Split Pivot Suspension System with Split Pivot+ for improved traction and control Fl...
FiftyOne Assassin FiftyOne Assassin
+6
+5
+4
+3
+2
+1
£2,590.50 GBP
£2,590.50 GBP
The Assassin is a progressive gravel bike with a massive breadth of ability. Its adjustable geometry creates capability in place of compromise, allowing you to tailor the handling to how you ride. ...
48% Off
TIME ADHX 45 (Gravel) NON UDH TIME ADHX 45 (Gravel) NON UDH
+4
+3
+2
+1
£1,798.80 GBP
£1,798.80 GBP
£3,449.00 GBP
This frame takes 10 days to arrive at Mapdec. This is the original TIME ADHX 45 model and does not feature a UDH (Universal Derailleur Hanger). This model doesn't not feature the UDH. The gravel DN...
Explore Mapdec

Our Services

Workshop Services

We fix what other shops can't.

Suspension Services

In house suspension room.
Demo & Rental Fleet

Luxury Road & Gravel Bikes