Transition Sentinel Alloy Frame - deep purple/L

Transition Sentinel Alloy Frame

Item number: 212985

Discover the ultimate ride with our Transition Sentinel Alloy mountain bike frame, engineered for both men and women who demand the best in all-mountain and MTB performance. This frame is designed to accommodate a 1 1/8" - 1.5" tapered steerer tube, ensuring a perfect balance of strength and agility on rugged terrains. Constructed from high-quality aluminum, the frame and rear triangle offer unmatched durability and responsiveness. The frame's geometry is optimized for a rear shock with 60mm of travel, featuring a Trunnion mount system for a smooth and reliable suspension experience. It supports a maximum disc brake size of 223mm at the rear, allowing for powerful and controlled braking in all conditions. With no front derailleur mount, this frame is tailored for a 1x drivetrain setup, supporting a maximum chainring size of 34T, ensuring a clean and efficient pedaling experience. The frame is compatible with both 29" and 27.5" wheels, thanks to its Boost standard (12 x 148 mm) rear spacing, providing flexibility and optimal performance across different wheel sizes. The maximum tire size accommodated is 29 x 2.5", allowing for ample traction and comfort on the trails. Additionally, the frame features a BSA bottom bracket standard and a seatpost diameter of 31.6 mm, catering to a wide range of component choices. Whether you're climbing steep hills or descending technical trails, this frame is built to elevate your mountain biking adventures.

Specifications:

Application:
All Mountain, MTB
Brake Type:
disc
Housing Width:
73 mm
Design:
Bolt
Rear triangle material:
Aluminium
Wheel size:
27,5", 29"
Frame material:
Aluminum
Gender:
Women's, Men´s

Technical Information:

Shock Length:
205 mm
Shock Travel:
60 mm
:
31,6 mm
Brake Mount:
Disc PM7 (Direct Mount 180 mm)
Shock Mount Width:
30 x 8 mm
Wheel Standard:
12 x 148 mm (Boost)
Recommended Steerer Tube:
1 1/8" - 1,5" tapered
Rear Shock Mount:
Trunnion Mount
Front Derailleur Mount:
No Front Derailleur Mount Possible
:
BSA

Approved For:

Max. Chainring Size:
1x 34T
Max Tire Size Rear:
29 x 2,5"
Max. Disc Brake Size Rear:
223 mm
Chainring Count Compatibility:
1x

Features:

- High-performance all-mountain MTB frame designed for both men and women, featuring aluminum construction for durability and lightweight performance. - Accommodates a 1 1/8" - 1.5" tapered steerer tube, ensuring compatibility with a wide range of forks for precision steering and control. - Equipped with a Trunnion mount rear shock with 60mm of travel, providing plush suspension to tackle rough terrain. - Supports up to 223mm rear disc brake size for exceptional stopping power and control on steep descents and technical trails. - Designed for 1x drivetrains with a maximum chainring size of 34T, catering to modern mountain biking standards for simplicity and efficiency. - Whell sizze 29" (S-XXL) and 27.5" (XS), featuring Boost spacing (12 x 148 mm) for improved wheel stiffness and handling, and accommodates up to 29 x 2.5" rear tire size for versatile terrain adaptability.

Geometry:

deep purple/XS:
Head Tube Angle:
64
Stack:
592 mm
Wheelbase:
1171 mm
Reach:
415 mm
Chainstay Length:
434 mm
Seat Tube Angle:
79.2
BB Drop:
15 mm
Bottom Bracket Height:
340 mm
Recommended Rider Height:
145 - 158 cm
Head Tube Length:
100 mm
Seat Tube Length:
360 mm
Effective Top Tube Length:
527 mm
deep purple/S:
Head Tube Angle:
64
Stack:
615 mm,618 mm
Wheelbase:
1208 mm
Reach:
430 mm,426 mm
Chainstay Length:
442 mm,440 mm
Seat Tube Angle:
78.7
BB Drop:
25 mm,11 mm
Seat Tube Length:
360 mm
Head Tube Length:
100 mm
Recommended Rider Height:
158 - 168 cm
Effective Top Tube Length:
549 mm
deep purple/M:
Head Tube Angle:
64
Stack:
621 mm,624 mm
Wheelbase:
1237 mm
Reach:
455 mm,451 mm
Chainstay Length:
442 mm,440 mm
Seat Tube Angle:
77.9
BB Drop:
25 mm,11 mm
Seat Tube Length:
390 mm
Head Tube Length:
110 mm
Recommended Rider Height:
168 - 178 cm
Effective Top Tube Length:
586 mm
deep purple/L:
Head Tube Angle:
64
Stack:
633 mm,636 mm
Wheelbase:
1271 mm
Reach:
480 mm,476 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
77.3
BB Drop:
5 mm,11 mm
Seat Tube Length:
430 mm
Head Tube Length:
120 mm
Recommended Rider Height:
178 - 188 cm
Effective Top Tube Length:
614 mm
deep purple/XL:
Head Tube Angle:
64
Stack:
642 mm,646 mm
Wheelbase:
1300 mm
Reach:
505 mm,501 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
76.8
BB Drop:
25 mm,11 mm
Seat Tube Length:
460 mm
Head Tube Length:
130 mm
Recommended Rider Height:
188 - 198 cm
Effective Top Tube Length:
642 mm
deep purple/XXL:
Head Tube Angle:
64
Stack:
651 mm,655 mm
Wheelbase:
1330 mm
Reach:
530 mm,526 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
76.5
BB Drop:
25 mm,11 mm
Seat Tube Length:
490 mm
Head Tube Length:
140 mm
Recommended Rider Height:
193 - 203 cm
Effective Top Tube Length:
670 mm
graphite grey/XS:
Head Tube Angle:
64
Stack:
592 mm
Wheelbase:
1171 mm
Reach:
415 mm
Chainstay Length:
434 mm
Seat Tube Angle:
79.2
BB Drop:
15 mm
Seat Tube Length:
360 mm
Head Tube Length:
100 mm
Bottom Bracket Height:
340 mm
Recommended Rider Height:
145 - 158 cm
Effective Top Tube Length:
527 mm
graphite grey/S:
Head Tube Angle:
64
Stack:
615 mm,618 mm
Wheelbase:
1208 mm
Reach:
430 mm,426 mm
Chainstay Length:
442 mm,440 mm
Seat Tube Angle:
78.7
BB Drop:
25 mm,11 mm
Seat Tube Length:
360 mm
Head Tube Length:
100 mm
Recommended Rider Height:
158 - 168 cm
Effective Top Tube Length:
549 mm
graphite grey/M:
Head Tube Angle:
64
Stack:
621 mm,624 mm
Wheelbase:
1237 mm
Reach:
455 mm,451 mm
Chainstay Length:
442 mm,440 mm
Seat Tube Angle:
77.9
BB Drop:
25 mm,11 mm
Seat Tube Length:
390 mm
Head Tube Length:
110 mm
Recommended Rider Height:
168 - 178 cm
Effective Top Tube Length:
586 mm
graphite grey/L:
Head Tube Angle:
64
Stack:
633 mm,636 mm
Wheelbase:
1271 mm
Reach:
480 mm,476 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
77.3
BB Drop:
25 mm,11 mm
Seat Tube Length:
430 mm
Head Tube Length:
120 mm
Recommended Rider Height:
178 - 188 cm
Effective Top Tube Length:
614 mm
graphite grey/XL:
Head Tube Angle:
64
Stack:
642 mm,646 mm
Wheelbase:
1300 mm
Reach:
505 mm,501 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
76.8
BB Drop:
25 mm,11 mm
Seat Tube Length:
460 mm
Head Tube Length:
130 mm
Recommended Rider Height:
188 - 198 cm
Effective Top Tube Length:
642 mm
graphite grey/XXL:
Head Tube Angle:
64
Stack:
651 mm,655 mm
Wheelbase:
1330 mm
Reach:
530 mm,526 mm
Chainstay Length:
446 mm,444 mm
Seat Tube Angle:
76.5
BB Drop:
25 mm,11 mm
Seat Tube Length:
490 mm
Head Tube Length:
140 mm
Recommended Rider Height:
193 - 203 cm
Effective Top Tube Length:
670 mm

Manufacturer Number:

  • deep purple/XS: 01-25-10-4210
  • deep purple/S: 01-25-10-4213
  • deep purple/M: 01-25-10-4216
  • deep purple/L: 01-25-10-4219
  • deep purple/XL: 01-25-10-4222
  • deep purple/XXL: 01-25-10-4225
  • graphite grey/XS: 01-25-10-4211
  • graphite grey/S: 01-25-10-4214
  • graphite grey/M: 01-25-10-4217
  • graphite grey/L: 01-25-10-4220
  • graphite grey/XL: 01-25-10-4223
  • graphite grey/XXL: 01-25-10-4226

Contents:

- 1 x Transition Sentinel Aluminum Frame

Manufacturer:

Transition Bike Company
1600 Carolina St.
Bellingham
WA 98229
USA
info@transitionbikes.com

Distributor:

bc GmbH
Carlo-Schmid-Straße 12
52146 Würselen
Germany
info@bike-components.de
  • Lightning-fast shipping in 1-3 days
  • 100 days carefree return
  • Personal expert advice
  • 25+ years of experience

Models:

  • deep purple/XS, currently not available
    1,840.34€
  • deep purple/S, Shipping in 1-3 business days
    1,840.34€
  • deep purple/M, Shipping in 1-3 business days
    1,840.34€
  • deep purple/L, Shipping in 1-3 business days
    1,840.34€
  • deep purple/XL, Shipping in 1-3 business days
    1,840.34€
  • deep purple/XXL, currently not available
    1,840.34€
  • graphite grey/XS, currently not available
    1,840.34€
  • graphite grey/S, available from 24.05.2025
    1,840.34€
  • graphite grey/M, Shipping in 1-3 business days
    1,840.34€
  • graphite grey/L, Shipping in 1-3 business days
    1,840.34€
  • graphite grey/XL, Shipping in 1-3 business days
    1,840.34€
  • graphite grey/XXL, Shipping in 1-3 business days
    1,840.34€

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